Whenever precise dot positioning works is processing for laser engraving dot positioning fields, unlike the use of any manual or mechanical dot aligning tool, it would be a much better solution to apply a pure light emitted tool of 635nm red laser diode module. It emits ultra high brightness and clearly visible red light in the engraving workshops. 635nm red light is the most sensitive wavelength for human vision, with brightness far extending ordinary red light. Even under strong workshop lighting and direct artificial light, the dot emitting from a 635nm red dot laser alignment remains clear, quickly locating the point and improving debugging speed. It keeps work with extremely small size and round red laser dot projection at long extending distance for all engraving works.
Cooperated with an import 635nm red laser diode and a qualified glass coated lens in front of beam aperture, this 635nm red laser diode module is performing well with high concentration and highly powerful red light emission directly from an inner diode. When it gets wide range output power of 5mW to 500mW, equipped with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, pro red dot laser alignment gets sufficient space leaving for tube heat dissipation, and achieves increasing stability red dot generation as long as 10 hours per day. Further more, the projected red laser dot has no no scattering and clean edges, resulting in minimal positioning error. It precisely fits the fine engraving process, producing neat patterns and eliminating engraving misalignment and skewing, significantly reducing the scrap rate.
When a qualified glass coated lens and adjustable focus optic lens are configured with a durable anodized aluminum alloy housing tube, cooperated with strict laser beam stability tests, 635nm red laser diode module is working well with high beam stability, no drift during extended operation. It generates highly powerful red light at long extending distances, and converts into a small size red dot within long extending distances. During prolonged engraving machine operation, the red alignment laser dot remains stable without shaking, shifting, or drifting, eliminating the need for frequent recalibration. Unaffected by dust and stray light, it is compatible for engraving workshop environments. The red light gets strong penetration, unaffected by ambient light obstruction as well.
Without any affected by mechanical moving, calibration or shock, 635nm red laser diode module enables quite easy installation and integration into any engraving machine or device, projecting precise optical path alignment. It is perfectly aligned with the actual engraving optical path, ensuring the found point position is the actual processing position with zero error deviation. Featured by low manual labor force input and low thermal energy consumption, this red dot laser alignment just replaces manual marking and ruler measurement, providing one-click quick positioning, shortening debugging time, and significantly increasing overall engraving capacity.
Tag: laser diode module
Advantageous Use of 650nm Red Laser Diode Module in Engraving Machine Positioning
What makes a good job to make a clear and accurate dot indication in engraving machine positioning work. It is not helpful at all to only rely on a simple laser pointer or any other manual dot positioning tool, but making a better job to operate a high density beam emitted tool of a 650nm red laser diode module. It keeps works with highly visible and clearly clear green red laser light emission at several miles far away. Cooperated with a qualified optical lens and adjustable focus design inside its durable metal housing tube, only after its easy connects with an external electric power source, this direct diode emission made 650nm red dot laser alignment tool makes sure of high density red laser light emission and converts into ultra clear, precise and bright red reference dot generation for all kinds of engraving machine positioning works conveniently.
The 650nm red laser diode module is always compatible with various engraving machines, laser marking machines and CNC engraving equipment, which is serving as a prior positioning red light reference source. Owing to its ultra compact, small size design for different output power range of 5mW to 500mW output power, it is designed with different dimension tube diameter of 16mm, 18.9mm and 26mm diameter design. As a result, only if 650nm red dot laser alignment gets larger space leaving for tube heat dissipation, it always achieves ultra stable red light and red reference dot generation. It projects highly clear and precise red laser dot as long as 25m far away and multiple lighting occasions, no decay, blurring or dim in continuous use.
Being made with a qualified glass coated lens and an import 650nm red laser diode, this 650nm red laser diode module always projects small rounded red dot, accurately marking the workpieces, engraving start point control, center point and alignment reference position in advance. Operators can quickly place and calibrate the workpiece position based on the red light dots, confirming the engraving coordinate origin and avoiding engraving, offset misalignment or displacement. After positioning the equipment, it can be started for formal engraving, significantly improving engraving alignment efficiency and finished product qualification rate.
Available with wide range output power, usually red light emitting from a 650nm red laser diode module is highly visible and clearly visible under natural light and indoor lighting in the workshop, eliminating the need to turn off lights or block light delivering alignment. It maintains highly concentrated red laser light emission from the in beam aperture. After its easy roast of the laser module head part, this red dot laser alignment gets small, rounded and minimally diffused dot shaped light spots, ensuring precise dot positioning. It has just made it ideal for calibrating in the intricate small parts and engraving graphics. According to the design of the ultra compact size tube, the red alignment laser allows for easy mounting on the engraving machine head of frame, side wearing is simple, and it’s compatible with various CNC control system. Featured by low heat generation and minimal decay light, it just ensures stable operation even during extended periods of continuous data generation, preventing drift and positioning point misalignment. Within the lowest production cost, the lowest power consumption, this red dot laser obtains long lifespan, making it the preferred light source for standard red light positioning in engraving machines. It always makes sure of precise dot positioning, preventing workpiece misalignment and reducing material waste and defective products all engraving machine positioning works.
Precision Positioning Light Source of 532nm Green Laser Diode Module
When advanced 532nm green DPSS laser tech and a qualified optic lens are configured with a high duration and compact size aluminum alloy housing tube, it is designed and manufactured into a professional dot measuring tool of a 532nm green laser diode module. It projects highly bright and intense green light from a middle wavelength of 532nm green DPSS laser system. Together with an external electric power source supply and basic adoption of cooling system inside a different dimension metal housing tube, green dot laser alignment keeps work with high sensitivity green light emission to the human eyes, generates ultra compact size, high visibility, strong stability green reference dot projection for all precise measuring and alignment works conveniently.
532nm stands at the middle part of all visible optical spectrum, thus green laser diode module projects the most sensitive color and the most easily absorbed green light to the human eyes. At the same output power, its brightness is 5 times that of red light, remaining clearly visible even in sunlight and at long distances, reducing eye strain. Further more, owing to its low laser beam divergence of less than 1mrad angle and special TEM00 laser beam mode, either it is pointing at close or long distance, 532nm green dot laser alignment still maintains excellent laser beam quality, ensuring precise dot positioning, a small heat affected zone, and minimal workpiece deformation.
Cooperated with adjustable focus lens design, this glass coated lens made 532nm green laser diode module keeps work with high energy density and highly powerful green light generation at long extending distances. In addition, after quite easy screw of laser beam aperture, the concentrated green light is converted into a ultra compact size and highly bright green reference dot projection. It allows switching between high-precision points at close range and clear points at long range. Configured with APC, AC driving circuit board design, whatever output power it is selected, 532nm green dot laser alignment keeps work with stable green light and green dot projection, maintains power stability of less than 3%, drift-free continuous operation for 24 hours. It provides anti-interference and resistance to high and low temperatures, achieves long lifespan of 10,000 hours, and low maintenance cost.
Being made with ultra compact size tube design of 16mm, 18.9mm and 26mm diameter, 532nm green laser diode module enables quite easy installation onto any machine or device. Besides its formal use of DC power supply, it can also be designed with TTL modulation, allowing quite integration into devices. Whenever it projects highly bright and clear green light, it also gets strong absorption of highly reflective metals, including copper, aluminum, stainless steel etc, ensuring high processing consistency. When 532nm green alignment laser up to 50mW to 200mW is applied for higher lighting and longer distance dot positioning work, only after proper wearing of laser safety glasses and avoiding eye exposure to beam aperture, it makes sure of secured, controllable dot measurement in all industrial and civilian scenarios etc.
High Visible Light Brightness 515nm Green Laser Diode Module In Laser Marking
What makes an efficient job to make ultra clear, precise and bright dot generation for all laser marking works? Unless the use of a simple laser pointer or other manual dot projecting tool, it would be a much better job to apply a highly bright light emitted tool of 515nm green laser diode module. Green laser light emitted from a 515nm green laser diode is close to the wavelength most sensitive to the human eye, several times brighter than red light, and remains clearly visible even under metallic reflections and strong workshop lighting, without being obscured by workpiece reflections. Cooperated with constant power source supply and basic use of thermal emitting system inside a different dimension metal housing tube, this direct diode emission made green dot laser alignment achieves long operating time lasted, good direction and high precision green reference dot generation for a lot of laser marking works conveniently.
Being made with a qualified glass coated lens and import 515nm green laser diode inside a highly durable housing tube, this green laser diode module is not only projecting highly powerful and intense forest green light at several miles far away, but also converts into an increasing brightness and accuracy green reference dot projection in distance. The small dot size and high coaxiality make it suitable for precise calibration. When it gets low laser beam divergence angle and special TEM00 laser beam mode, either pointing at close or long distance, this 515nm green dot laser alignment still indicates the true laser emission center, ensuring the marking pattern does not shift. Under operation of mechanical shock, temperature shift, it still maintains long time lasted green dot generation, suitable for long term continuous operation of marking machines.
In practical laser marking works, 515nm green laser diode module has strong adaptability to highly reflective metals, such as stainless steel, aluminum, and copper, the contrast of green light is much higher than that of red light, reducing the likelihood of blurred or unclear spots. Besides the commonly used AC/DC adapter as its electric power source, it also accepts TTL modulation and supports supports synchronous switching with the machine bed, automatically turning on/off when marking starts without interfering with normal processing. When ultra compact size 515nm green dot laser alignment makes proper integration into laser marking machine or equipment, it can be directly installed inside the marking head or on an external bracket, bring users the easiest reaching and the clearest green reference dot generation for multiple raw material processing works.
Available with the most compact size and the brightest green laser dot generation, this g515nm green laser diode module makes quick response, good direction and noncontact measurement and alignment onto multiple working surfaces. There is no need for repeated trial runs or visual estimation, alignment is achieved with a single material feed, significantly improving machine setup and production efficiency. This alignment laser is the precision aiming device of the laser marking machine, providing excellent dot alignment source for optical path calibration, marking center positioning, and workpiece alignment.
Long Term Lasted 532nm Green Laser Diode Module in The Printing Industry
When advanced 532nm green DPSS laser tech is applied for the creation of a dot measuring tool of a 532nm green laser diode module, it is equipped with a qualified optic lens and thermal emitting system inside a high duration metal housing tube. In the current time printing industry, it is getting serious need of ultra clear, precise and bright dot indication onto different working surfaces. As a result, after its easy connects with an AC/DC adapter and correct use of output power, this green dot laser alignment is becoming a high precision dot positioning indicator light source for printing, color matching, screen printing, hot stamping, die cutting, and lamination processes etc.
Cooperated with advanced 532nm green DPSS laser tech, 532nm green laser diode module always gets wide range output power of 5mW to 100mW and higher power range of 150mW to 200mW, equipped with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube. For the most important of all, when it gets larger space leaving for tube heat dissipation and thermal conductivity, this green dot laser alignment is able to make continuous green light and green reference dot projection as long as 24 hours per day. Together with those of printing system or device, it offers excellent green laser light visibility on various types of paper and film, precise positioning, safety without damage, stability, and durability, significantly improving printing accuracy and production efficiency.
Usually 532nm green laser diode module gets extremely high clarity o various printing materials. 532nm green light is highly visible on white cardboard, grey paper, coated paper, dark paper, film, and aluminum foil, brighter than red light and not obscured by background colors or patterns, making it easily identifiable to the naked eye. Being made with low laser beam divergence and special TEM00 laser beam mode, the projected round and non diffuse light spot enables micro-dot indication, meeting the micron-level registration requirements of the printing industry. Besides the formal adoption of DC power supply, 532nm green dot laser alignment also adopts TTL fast modulation, which can be switched on and off synchronously with the printing press, maintaining stability and reliability even at high-speed material feeding, without ghosting or blurring.
Applications in printing industry field:
Color Registration Positioning in Multi-color Printing, Offset, Flexographic, and Gravure Printing: 532nm green dot laser alignment is used as a reference point to ensure accurate alignment of each color plate, preventing ghosting and edge misalignment.
Screen Printing Positioning: Positioning the screen and substrate by marking dots to ensure the pattern is centered and not offset, especially suitable for packaging boxes, signs, and circuit board screen printing.
Hot Stamping, Die-cutting, and Lamination Positioning: Precisely indicating the starting point of hot stamping plates, die-cutting dies, and lamination, improving finished product consistency and avoiding misalignment and scrap.
Adhesive Label Printing: Positioning label spacing, cutting positions, and rewinding, improving alignment accuracy on high-speed production lines.
For corrugated cardboard boxes and cartons, this 532nm green laser diode module provides green reference dot during printing, slotting, and crease work to ensure consistent dimensions and regular box shapes.
It also facilitates plate making, exposure, and imposition positioning, aligning film, CTP plate, and printing plate to improve plate-making accuracy.
Furthermore, 532nm green alignment laser provides precise location indication for printing defects, omissions, and misregistration, enabling quick re-inspection and repair.
Featured Use of 808nm Infrared Laser Diode Module
The general use of a 808nm infrared laser diode module integrates an import 808nm infrared laser, electric driving circuit board, and optical component inside a durable and small size housing tube. Featured by ultra compact and durable anodized aluminum alloy housing tube design after its easy connects with electric power source, this accessory part of a IR dot laser enables quite easy installation, easy integration with various devices, and quick response infrared dot alignment for all night version dot measuring fields conveniently.
In process of long time lasting infrared dot projection work, 808nm infrared laser diode module gets good heat dissipation design. It should be working for a quite long time and maintaining ultra stable IR dot generation in long time use. It applies an import 808nm infrared laser diode within different output power range of 5mW to 400mW, and 500mW to 1000mW. Inside its durable anodized aluminum alloy housing tube design, designed with a metal heat sink cooling system, this infrared dot laser gets good thermal conductivity. It ensures that laser diode gets effectively dissipate heat during operation, while still maintains stable operating temperature, good performance and long lifetime of the module.
Besides the use of the use of a qualified glass coated lens, this 808nm infrared laser diode module still gets special use of a glass window in front of beam aperture. It gets quite low beam divergence angle, thus it always enables highly concentrated infrared laser light source emission, and high efficiency conversion of ultra clear and precise infrared dot generation at long extending distance. In practical precise dot measuring work, it maintains qualified output infrared light spot with good directionality and IR dot quality. After its proper infrared laser dot size and shape adjustment, this infrared dot laser always gets the most concentrated infrared laser light source generation, increasing accuracy and brightness infrared dot alignment at long extending distance.
Performance Advantages:
808nm infrared laser diode module enables high electro-optical conversion efficiency, which can efficiently convert the input electrical energy into 808nm IR laser energy. Within long lasting infrared dot alignment within 10 hours per day, it keeps work with reduced energy consumption, higher output power at the same output input with other visible lasers.
It enables good infrared laser beam quality and small beam divergence angle, thus high concentration IR laser light and uniform energy distribution convert into ultra precise and compact size infrared dot alignment for long distance transmittance and precise dot positioning. It gets great use for IR dot measurement, positioning, night version monitoring etc.
Applications:
Laser medical field: 808nm infrared laser light source is used for laser hair removal, infrared laser therapy, such as handheld infrared therapy device, which penetrates deeper tissues, reduces inflammation, relieves pain, and promotes blood circulation.
Industrial manufacturing: high efficient and high power infrared laser beam can improve productivity efficiency and processing quality in material processing work of laser welding, marking and other processes, and detect hidden cracks and PL in the photovoltaic industry.
Security monitoring: 808nm infrared laser module is used as the laser light source of laser night version devices, which provides clear images and videos in low light or dark environments, enhances monitoring effects, and is suitable for safe cities, intelligent transportation, border defense, and coastal defense.
Measurement and positioning system: laser rangefinders and laser radars with good directivity and precise light spot measurement for various measurement and positioning tasks.
Scientific research: it provides high purity infrared laser light source in spectroscopy research, precision experimental measurements and theoretical verification in fields such as quantum physics and optical communications.
Structural Features of 795nm Infrared Laser Diode Module
Employed by advanced semiconductor 795nm infrared laser diode and a qualified optic lens inside a durable housing tube, it is created into a quite professional night version device of an infrared laser diode module. This 795nm wavelength is located into the near infrared spectrum region, has good penetration and scattering features. On the basis of correct use of operating voltage electric power source, and proper installation to night version machine or device, it enables quick response, good directivity and highly precise infrared reference dot projection for all high precision measuring fields.
Featured performance:
After quite easy connects with an AC/DC adapter, not spending extra time on alkaline battery change, this 795nm infrared laser diode module is making constant infrared laser beam emission in distance. This 795nm near infrared wavelength enables low laser beam divergence, and highly concentrated infrared laser light emission. In process of continuous infrared dot indication, it gets low energy loss and improved measurement accuracy. Integrated with a metal heat sink cooling system inside a high duration metal housing tube, it still maintains good thermal emitting and thermal conductivity, and ultra stable infrared reference dot indication, good IR laser light penetration and scattering performance.
In order to get high stability IR dot generation in long time use, 795nm infrared laser diode module employs APC, ACC driving circuit board inside its durable anodized aluminum alloy housing tube. For instance, it gets low power fluctuations less than ±3% within 2 hours. When it gets stable polarization characteristics, and high polarization extinction ratio, it enables high lase beam stability and high consistency of the beam during transmission. Within long time lasting infrared laser dot indication of 10 hours, 795nm infrared dot laser still keeps good thermal energy saving, low thermal consumption and long lifetime operation.
Applications:
Spectral sensing: 795nm infrared laser is used for high precision spectral measurement in fields such as monitoring, food safety testing, biomedical research, and atomic clocks etc.
Medical field: long wavelength 795nm IR laser is used as an accessory part, which is applied for skin treatment and diagnostic equipment for phototherapy and skin disease detection.
IR dot positioning and motion control: invisible 795nm infrared laser provides accurate infrared laser beam pointing and measurement for positioning sensors and motion control system, thus it assures accurate movement and positioning of equipment.
In camera detectors, the presence of the camera is confirmed by the infrared reference dot reflective points scanned by infrared laser light. It can also be used in infrared space communication modules so as to achieve secure communication within a limited space.
505nm Green Laser Diode Module Review
Unlike the middle wavelength of 532nm green DPSS laser, the creation of a 505nm green laser diode module applies advanced semiconductor laser diode tech, cooperating with basic thermal emitting design and qualified optic lens, it is able to work with ultra nice thermal emitting and stable green laser beam and green reference dot projection at long extending distances. According to its special use of high sealing and high strength materials made, this green laser gets perfect protection of its internal components and ensures that the module works stably in different working environments.
General inside the durable anodized aluminum alloy housing tube, 505nm green laser diode module adopts a metal heat sink cooling system. It generates heat and increasing temperature when it is working. However, owing to its superior nice thermal emitting and thermal conductivity, usually it enables long time lasting green dot projection within 8 to 10 hours per day, and still maintains ultra stable and reliable green dot projection as expected. It keeps work with superior nice laser beam stability and ultra long time lasting green dot indication.
Not as bright as a 532nm green DPSS laser, the 505nm wavelength is still in the green spectrum range, and the human eyes are highly sensitive to light of this wavelength, thus it has excellent visual recognition in bright or dim environments. Besides its basic adoption of external AC/DC adapter as its electric power source, it also gets special use of APC, ACC driving circuit board inside the tube. It enables long time lasting green laser beam and green dot projection, without any effect by increasing temperature and serious electric current impact as well.
Owing to the use of advanced manufacturing technology and high quality optical component, such as glass coated lens and glass window in front part of a laser beam aperture, this 505nm green laser diode module is maintaining high transmittance green laser light emission, and high laser power stability in continuous use. When it is pointing under quite harsh working occasion of moisture, dust, rain, or fog etc, it gets no effect, and still maintains ultra clear and precise green dot projection within both of long time lasting and long distance dot positioning works. This 505nm green dot laser gets ultra low laser beam divergence radiation, thus which can maintains good directionality during propagation and reduce energy dispersion.
Advantages:
High efficiency and high energy saving. Compared with traditional YAG-based lasers or He-Ne lasers, the 505nm laser diode module based on gallium nitride has higher electro-optical conversion efficiency and lower power consumption.
Compact structure design. Basic on semiconductor materials such as gallium nitride, 505nm green laser gets ultra compact structure, which is easy to integrate into various devices, improving the portability and applicability of the equipment.
High cost performance: with the development of technology, the cost is gradually reduced, 505nm green laser is showing a high cost performance in many application fields such as fluorescence excitation and biological detection.
Applications
Biomedical field: When 505nm green laser diode module is used for fluorescence excitation, which can excite specific fluorescent substances for biological imaging and detection, and the field of beauty. For instance, 505nm green laser light can inhibit melanocyte proliferation and tyrosinase activity, achieving whitening and spot removal effect.
Scientific research field: Being used as an excitation light source in experiments such as photoluminescence, holographic storage, confocal microscopy, and material analysis, 505nm green laser module provides researchers with green lasers with high stability and high beam quality.
Transportation field: 505nm green laser can be used as an anti-fatigue laser light on highways to stimulate the driver’s visual nerves, reduce fatigue driving, and reduce the accident rate.
Communication field: in short-distance optical communications, its high-speed modulation characteristics are used to achieve high-speed data transmission.
Constant Intense Beam Emitting 445nm Blue Laser Diode Module
445nm blue laser diode module is a special device which maintains direct intense and high density blue laser light emission from an inner semiconductor blue laser diode. It is not as bright as a 473nm blue DPSS laser, however, it gets even more stable and reliable blue laser light generation in longer time lasting works. Generally it belongs to the category of blue lasers. The output power blue laser dot is dot shaped and has specific optical properties and applications for both of industrial and high tech fields.
Usually 445nm blue laser diode module adopts a qualified glass coated lens group to produce a circular or elliptical spot, which can shape and collimate the beam to make the blue laser dot quality better. Being made with a qualified semiconductor 445nm blue laser diode within 5mW to 100mW, it is equipped with high-performance APC (automatic power control) and ACC (automatic current control) driving circuits, which ensures stable output power supply, strong anti-interference, and effective protection of the laser from any effect by increasing temperature and serious electric current impact as well.
Inside durable anodized aluminum alloy housing tube, 445nm blue laser diode module is configured with a metal heat sink cooling system, which obtains superior nice thermal emitting and thermal conductivity, and highly stable performance in multiple operating temperature and harsh working environments as well. Filled with heat dissipation silicone and AC glue inside, 445nm blue dot laser is getting sufficient heat dissipation, shock and fall resistance, and ensuring the stability of the module in different environments.
What is advantages of 445nm blue laser diode module?
Featured by good lase beam quality, it always gets low lase beam divergence angle, which can ensure that the blue laser maintains good focusing and collimation effects during transmission, making the light spot size and shape stable in continuous use. After its easy connects with an AC/DC adapter, accepting wide range electric current of 100V to 240V, it generates highly visible and bright blue laser light among visible optical spectrum. It gets obvious advantages in occasions where eye catching instructions or visual effects are required, such as stage lighting and laser demonstrations etc.
High energy efficiency. 445nm blue laser diode module gets high electrical and optical conversion efficiency, which can output higher power under the same power input, save energy and reduce the cost of use. Owing to the good use of thermal emitting design, it keeps work with good heat dissipation and packaging structure, thus blue dot laser is able to make stable laser beam and laser dot emission for a long time and obtain long serving lifetime of more than 8,000 hours.
Easy Operated Economy Red Dot Laser Alignment
If users are looking for quite easy operating and ultra clear dot indication, either it is pointing at close or long distance, it would be a quite nice beginning for users to operate a high density beam emitting tool of a economy red dot laser alignment. It applies an import 650nm red laser diode and a qualified optic lens, which is able to work for both of long lasting and long distance precise dot measuring works. When this ultra compact size tube made 650nm red laser module gets proper installation onto any other machine or device, it always brings users quite easy reaching, low price and long lasting dot indication for all raw material processing works constantly.
The genuine dot measuring work with an economy red dot laser alignment is working for a quite long time, thus it is a major part to assure its stable and reliable dot indication. From the very beginning design of this device, it just applies an import 650nm red laser diode within 5mW to 100mW as its beam emitting source. Usually it adopts different dimension metal housing tube of 16mm and 26mm diameter for different output power. In practical precise dot measuring works, only after its continuous red dot projection within 8 to 10 hours, this 650nm red laser diode module is able to work with highly stable performance and high level of accuracy dot indication for both of long time and long distance use.
According to the real work distance and lighting occasion, this economy red dot laser alignment just enables correct use of output power. After its easy connects with 5V,9V 1000mA DC power supply, owing to its acceptation of wide range electric current of 100V to 240V, it is working well with constant and high density red laser light source emission from its qualified glass coated lens. Every time 650nm red laser module passes through quite strict laser beam stability test and aging preventing test up to 24 hours, only after its proper mounting onto any other device or equipment, it brings users quite satisfied red dot indication for a lot of raw material processing works.
With the assistance of a laser alignment mounting bracket, even though dot generation work is processing at quite hard reaching places, this economy red dot laser alignment still enables quite easy carrying and quick reaching of red dot projection onto any vertical or horizontal surface. It is working well as an accessory part, which is able to make ultra clear dot indication for those of industrial and high tech work fields. When alignment laser gets high power up to 50mW to 100mW for long distance use, it is a key issue to wear proper laser safety goggles and avoid eye exposure to beam aperture until achieving no danger and no mistake use effectively.