As we all know, 200 mw laser pointers have many uses and several of these gadgets are created in different colors such as red, yellow, green, etc. The most popular types are the color red and green laser pointers. Laser pointers are also classified according to their wave length and output. Generally, it is easy to operate a laser pointer, because you just need to push the button and a bright beautiful light will illuminate, especially in darkness -- an obvious streak of light can be seen.
The light on a 200 mw laser pointer can reach as far as 10000m -- so laser pointers are great for pointing things from long distances. And of course it can be extremely useful in our daily lives and work. Basically, 200 mw laser pointers are good for pointing blackboards, photos, and so on. Human eyes are sensitive to green color and most people are easily attracted by it. Therefore, laser pointers are essential tools for doctors, teachers and other individuals who might need to present a report or someone who is conducting seminars in a regular basis.http://www.youtube.com/watch?v=uLAN0prHFlc