Ncstar's compact green laser features a quick release weaver style mount and is fully adjustable for windage and elevation.It includes a adjustment tool, ambidextrous sliding on/off switch, and uses one cr2 lithium battery.Power Switch: Ambidextrous On/OffWavelength: 532 nmDot Size: 2 MOAPower: 5mWWeight: 3.30 ozBattery: CR2 LithiumLaser Color: GreenFirearm Fit: Compact/SubcompactReticle: N/AAdjustments: Windage & ElevationFinish: BlackMount Type: QR Weaver Style Mount