LaserMax Spartan, Green Laser, Fits Picatinny, Black Finish, Adjustable Fit, with Battery SPS-G
Specifications:

Wavelength	520 nm
Dot Size	.25" x .5" @ 10 yds
Power	5mW
Range
Weight	.6 oz
Battery	CR1/3N 3V Lithium (1)
Laser Color	Green
Firearm Fit	Any w/Minimum 1" Rail
Reticle
Power Switch	Ambidextrous On/Off
Adjustments	Windage & Elevation
Finish	Black
Mount Type	Picatinny/Mil-Spec/Weaver