Crimson Trace Rail Master Universal Tactical Cree XPL LED Weapon Light CR123 White 420 Lumens Black. These Pistol Weapon Lights from Crimson Trace are built with industry leading quality ergonomics and fit. The compact size makes it ideal for mounting on a handgun but the Crimson Trace Rail Master CMR208 Universal LED Weapon Light works equally well on rifles and shotguns. Use the power of Crimson Trace to protect your family with the Crimson Trace Rail Master Univesal Light. Specifications for Crimson Trace CMR-208 Rail Master Universal Tactical Cree XPL LED Weapon Light: Manufacturer: Crimson Trace Light Output: 420 lumens Bulb Type: LED Battery Type: CR123 Color: Black Gun Model: Universal Weight: 4.1 oz Weather Resistance: Waterproof Package Type: Clam Pack/ Plastic Condition: New Gun Type: Pistol Fabric/Material: Anodized Aluminum Features of Crimson Trace CMR-208 Rail Master Universal Tactical Light: Instant activation: Tap-On Tap-Off. 420 (high) or 110 (low) Lumen LED white light. High output CREE XPL LED. Anodized Aluminum. Waterproof up to 1 meter. Impact resistant up to 1 meter. Modes: High Low Strobe Momentary. Uses One (1) CR123 Battery. Weight: 4.1 oz. with batteries installed. User adjustable windage and elevation. Fits most pistols rifles and shotguns with M1913 Picatinny (or similar) accessory rail measuring at least 1 inch from recoil lug to trigger guards. Dual side activation. User installation. Switch activation. One Year Limited Warranty. Package Contents: Crimson Trace CMR-208 Rail Master Universal Tactical Light 420 Lumens Fits most pistols rifles and shotguns with M1913 Picatinny or similar Accessory Rail & 1-1/16" between the recoil lug and the trigger guard. Crimson Trace CMR-208 Rail Master Universal Tactical Cree XPL LED Weapon Light CMR-208: CR123 White 420 Lumens Black