Crimson Trace Corporation Tactical Light For Rail Equipped Long Guns, Fits 1913 Picatinny Rail, 500 Lumen LED White Light, Remote On/Off Pad with Cord Hook and Loop Mounting Straps, Solid And Momentary Modes, 1 Hour 10 Min Runtime on CR123A Battery, Anodized Aluminum, Waterproof Up to 1 Meter, Black Finish 01-8560-1