The Crimson Trace Lasergrips platform is a decisive tactical advantage for handguns, and changes the way gun owners approach personal protection. It offers what no other handgun accessory can: immediate targeting laser beam when you hold your gun in a natural firing grip. The innovation, Instinctive Activation, saves precious time when seconds count. The Lasergrips features a master on/off switch, are easily user-installed with zero modification to your firearm and are completely user-adjustable for windage and elevation.
Specifications:

Wavelength	620-670 nm
Dot Size	.50" @ 16.667 yds
Power	5mW
Range	50ft
Weight	<1 oz
Battery	CR2032 Lithium (2)
Laser Color	Red
Firearm Fit	Ruger SP-101
Reticle
Power Switch	Pressure Pad
Adjustments	Windage & Elevation
Finish	Black
Mount Type	Grip