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.Power Switch: Pressure PadWavelength: 620-670 nmDot Size: .50" @ 16.667 ydsPower: 5mWRange: 50 ftWeight: