The first and most important thing is the clear application you need. Low-power red, blue, and green best laser pointer are usually used for classroom presentations, lectures, lectures, PowerPoint and business meetings, and a laser pointer with a short-distance visible laser beam is sufficient. Green laser pointers in the range of 50mW to 150mW are always very popular in astronomy. Therefore, you always need to have a clear understanding of the type of application you need. Laser pointers are very suitable for cats to express their hunting instincts jokingly. Almost all the velvet feet were immediately focused on the bright spot, chasing it or waiting for the red fugitive around the corner. Big advantage: Because the light is far away, the whole room becomes a playground for all the cats who love to play. Mom and Dad can enjoy their loved ones without even getting up. You can establish short game sessions anytime, anywhere. Tip: If your keychain has abest laser pointer, you can take your cat toy with you. However, the laser pointer can be very dangerous to cat's eyes, so don't lose attention.
The bright and visible best green laser pointer beam in the front is very useful for astronomy researchers, astronomy enthusiasts, starry sky and star demonstrations. On the other hand, high-power red, blue, and green laser pointers are mainly used in military battlefields, scientific research and medical treatment, as well as shooting, thermal experiments and other entertainment activities. The free laser pointer samples is a light pen, especially suitable for presentations with projection. The laser pointer is in the form of convenient size, remote control key, ballpoint pen, or used in combination with a remote control (presenter). The first laser pointer emitted only red light (He-Ne laser first, then red laser diode), but blue, yellow, and orange on the market followed green.