by Brian M*** on December 22,2018
This wavelength is really good, most like the 532nm laser pointer, this is very good.
by Grace M*** on September 29,2018
A small laser pen is placed on the body and can be used in the bag. Very satisfied.
by Lyle H*** on March 28,2018
The laser is only a bit bigger than a normal pen. easy to bring everywhere. Bright green light.