This lasergrip is a rear-activated laser sight and features crimson trace's famous instinctive activation, which allows the laser to be activated with a normal firing grip.It utilizes a master on/off switch for completely powering down the unit.User-installed in moments by attaching securely to the gun frame, these laser sights are fully adjustable for windage and elevation.Provides 4 hours of run time with (2) included 2032 lithium batteries.Power Switch: On/Off and Pressure PadWavelength: 532nMDot Size: .50" @ 50 ydsPower: 5mWRange: 50 ftBattery: CR2032Laser Color: GreenFirearm Fit: Glock 25 Gen3Adjustments: Windage & ElevationFinish: Black Rubber OvermoldMount Type: Grip