When silence night comes everyone turned out the light, nearly all the people feels into the dream, at that moment, suddenly a magic green shot lights up the night, just like a titanic dragon rising high into the air. You must be shocked by this magnificent picture, and deep down, you really would like to figure that green light shot out. What is it? Why it looks so powerful? And what on earth it uses for?

Calm down and look here, let us enter into a world of green laser beam with the above enlisted questions.

Here I mentioned is nothing but the laser beam of a 200mw green laser pen! Strictly speaking, it is a large scale laser bar.

It is not difficult to imagine that if a 200mw laser could lights up the night like this, how about a 300mw green laser pointer? That is why the laser bar has been greatly used at the astronomy observe, medical healing, and even the military or industry fields. And what I just had described is actually a laser bar used as a signal lamp function.

The cheap green laser pointer enjoys more popularity than red, blue and orange beam for its relatively reasonable prize and soft but refreshing beam. That is to say, if you would like to own a cheap laser pointer at a sound quality, then the green laser pointer is definitely your first choice, and they are, not only the cheap laser pointersbut also a applicative assistant neither form its fiber longevity or the safety point.