Material: Aluminum, Color: Matte black, Weight: 2.5 Ounces, Length: 3-1/8", Height: 1-1/2", Width: 1-1/4", Output: Approx 35 lumens, Integral quick-deatch mount will fit most any Picatinny/Weaver style scope mount and tactical rail systems on pistols, rifles and shotguns. Push button on/off activation siwtch, Uses common CR123 lithium battery. Includes battery. Built to withstand heavy shock and recoil. New LED technology gives you 50x longer life span than standard flashlight bulbs and 10x more battery life. Manufacture warranty against defects.