The compact red laser sight is here to get your compact or subcompact pistol on target.The weaver mount will easily clamp onto compact and subcompact pistols that have a weaver style accessory rail.It is fully adjustable for windage and elevation and the on/off rear cap switch is easily turned on or off with your trigger finger.Power Switch: On/OffWavelength: 635-655 nmPower: 5mWWeight: 1.30 ozBattery: AG13Laser Color: RedFirearm Fit: Compact/SubcompactAdjustments: Windage & ElevationFinish: BlackMount Type: Picatinny/Weaver