LaserMax Micro UniMax, Green Laser, Fits Picatinny, Black Finish, with Battery MICRO-2-G
Specifications:

Wavelength	650 nm
Dot Size
Power	5mW
Range
Weight	.43 oz
Battery	CR1/3N 3V Lithium (1)
Laser Color	Green
Firearm Fit	Universal w/Accessory Rail
Reticle
Power Switch	Ambidextrous Push Button
Adjustments	Windage & Elevation
Finish	Black
Mount Type	Integrated Rail Mount