Developed for multiple tasks for professionals and sportsman. The hallmarks of this light are its compact durable construction, optimum beam output and a tailcap switch for single-handed operation.C4A(R) LED technology, with a 50,000 hour lifetime.Unbreakable and scratch resistant polycarbonate lens.C4A(R) LED (white): 1,033 candela peak beam intensity; 48 lumens measured system output; 6.25 hours runtimePowered by two "AAA" alkaline batteries (included)Push button tail switch - momentary or constant on operation.Tailcap switch for momentary on/off. O-ring sealed, shock proof and drop-tested construction. Water resistant per IPX4; in accordance with specification EN 60529:1992. Tear resistant nylon holster. Unbreakable pocket clip.L x D: 5.3" x .6" (134 x 15 mm)1.64 oz (46.9 g)Matte Black