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20mW Lasers Reviews

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Displaying 1 to 6 (of 6 reviews)

20mW Green Laser Pointer Silver Pen With Star Pattern

My laser pen arrived yesterday, but the supplied batteries were dead, so I had to go out to buy extr

Date Added: 2018-07-19 03:59:05

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Blue-violet 405nm 20mW Single-point Laser Pointer Pen

This 20mw laser is exactly what I needed. Small enough to carry everywhere. More importantly, it is

Date Added: 2018-07-12 09:32:39

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20mW Green 532nm Wavelength Spot Laser Pointer Pen

My first purchase for a green dot laser pen! Super bright and beautiful! I intend to buy another one

Date Added: 2018-07-12 08:39:58

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532nm 20mw Green Laser Pointer Pen 2 in 1 Full Sky Starry

Awesome, best one out of 3 i\'ve got. Solid beam and excellent range.

Date Added: 2018-03-27 07:51:12

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Red/Green Dot Sight Waterproof Anti-seismic Adjustable Laser Sights 12-21mm Tube

Very quick shipping. But when I received them the batteries were dead. Replaced batteries and they w

Date Added: 2018-01-03 02:44:49

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Starry Effect Caps Green 5 in 1 20mw Laser Pointer Pen 532nm

Was so pleased when I finally received this laser the quality and performance was just outstanding,

Date Added: 2018-01-03 02:12:36

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Laser Engraving Machine

Blue lasers are actually the same type of lasers that are used in Blu-ray technology. Although it is rarely prefered to the green and red ones, it could be used for what others do, which also reflects the individual unique aesthetic taste. As far as presentation pointers go, it can be a nice change of pace to use a blue laser pointer, but much more powerful blue lasers are also available. However it comes down to all other uses such as pinpointing something on the large screen or on the blackboard.
Green laser pointers are now the world's most popular laser pointers, because the green light than red light 6 times more than red light beam significantly, while the price is much cheaper than the blue and yellow, green laser pointer is simply more powerful than red laser pen. Of course, this also means that green lasers are potentially more dangerous than red lasers. When operating this type of laser, it is important not to point it into anyone's eyes or to point it up in the sky towards any airplanes. It is probably not as much preferred lasers as an astronomy laser pointer, because brighter colors would make an object more visible in the sky.
Red laser pointers are by far the most popular and least expensive type of laser pointer. This is because the wavelength of the red color can be manufactured more easily than that of the other colors in the spectrum, red laser is also the only color that is available in the smallest size of laser pointers. Do remember that red laser light is powerful when it hits a certain object and converges into a point.

About HTPOW

HTPOW Lasers are IR filtered for safety and the output power is measured on each unit individually for a 20-minute continuous period to ensure sustained performance. This high power laser test is done at least 3 times before the laser is shipped to the customer. All lasers are the best quality, the most competitive price. We guarantee all laser pointers products are free shipping, 30-days return policy, 1-year warranty period.