Crimson Trace Corporation RailMaster Laser, Red Laser, Universal Fit, Black, Custom Fit on all rail sizes CMR-201
Specifications:

Wavelength	620-670 nm
Dot Size	.50" @ 16.667 yds
Power	5mW
Range	50ft
Weight
Battery	CR1/3N 3V Lithium (1) or 357 Silver Oxide (2)
Laser Color	Red
Firearm Fit	Universal w/Accessory Rail
Reticle
Power Switch	Pressure Pad
Adjustments	Windage & Elevation
Finish	Black
Mount Type	Picatinny/Weaver