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.Lg-417 fits only gen3 glock 17, 17l, 19, 22, 23, 31, 32, 34, 35, 37 and 38.Power Switch: Pressure PadWavelength: 633nMDot Size: .50" @ 50 ydsPower: 5mWRange: 50 ftBattery: CR2032Laser Color: RedFirearm Fit: Glock 17 Gen3Adjustments: Windage & ElevationFinish: BlackMount Type: Grip