Kinda don't see the point of buying a laser pointer that strong, it'* not like you're using it in any real application, and they are very dangerous (kinda looking forward to bill'* next post about this.. ). But it is your money..
Shadow, that'* a class 3B laser. Very dangerous. Green is the center of the visible spectrum, which means your eyes will absorb green more than any other color. In other words, if your cornea focuses the light reflected back from something on your retina, you will immediately have a blindspot for life. It will not heal.