The rail master pro universal green laser sight & tactical light combines two tactical tools in a single compact unit.The versatile unit is designed to fit most modern pistols, rifles and shotguns with an m1913 picatinny or weaver-style accessory rail.A powerful red laser anchors the unit and provides up to 2 hours of continuous use on a single cr2 lithium battery.The rail master pro also includes a powerful 100 lumen white light for target identification.The unit features three operational modes including: laser/light constant on, laser constant on, light constant on, and laser w/light dazzler.Activation is instant, with tap on, tap off controls and a programmed auto shut off at five minutes to conserve battery life.The waterproof unit features polymer construction with an aluminum body.Power Switch: On/OffWavelength: 532nMDot Size: .50" @ 50 ydsPower: 5mWBattery: CR2 Li-ionLaser Color: GreenFirearm Fit: UniversalAdjustments: Windage & ElevationFinish: BlackMount Type: Picatinny/Weaver