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.
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Le laser est livré dans une petite boîte avec deux piles. Comme certaines personnes l\'ont fait remarquer, les piles sont déjà mises dans le laser.... et se sont donc vidées. Pensez donc à acheter des piles AAA R03 1,5V. Hormis cela, le produit est de bonne qualité pour le prix payé et fait son travail. Très pratique pour ceux qui font de l\'astronomie, puisqu\'en pleine nuit, une le laser fait une jolie ligne verte vous permettant de montrer des étoiles ou planètes ! Par contre, faites très attention: même si le laser n\'est que de 200mW, il est déjà très puissant et un simple reflet sur du carrelage par exemple vous éblouit en pleine nuit.
Great design, but the push button which turns it on stopped working after a couple uses. It also turned off depending on the angle it was held. Doesn't work at all anymore. It's relatively low in cost compared to other laser pointers and would be a great buy if the one you get works consistently for a while.
With delicate and cabinet design, it's very convenient for you to carry it wherever you go. When used in the dark area, it produces a clear visible green light beam. Don't hesitate to get one!
This is probably the best green laser torch i have ever seen in my life. I got it in a very short time without any problem. I tested it and it is wonderful. The laser beam is incredible. It burns matches and plastic in one second. Finally, many thanks to HTPOW Lasers for selling these high quality lasers worldwide.
Del laser todod correcto el envio 25 dias en llegar, Le FALTA ADAPTADOR EUROPEO ya que si vendes una cosa en europa, deberia venirte perfectamente funcional, de esa manera no puedes cargarlo ya que el cargador de la pila es chino.
Used this to replace the keyboard on my mid 2009 mbp. Works just fine, and it's not that difficult to install, just make sure you have the right kind of screwdrivers.The only complicated part was peeling off the black plastic that covers the keyboard backlight - be careful not to tear any ribbon cables and such.
Well built and powerful. Could not light a match. Heat sensation on a body part (hand) is low, so i can't see how it would burn it. A match would need about 200 Celsius to catch fire. Impressive lightning at night, with a strong beam.
Blue Laser Pointers
Green Laser Pointers
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
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.
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.
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