The most popular headlamp on the market today! Features include:Adjustable beamBrilliant blue-white spotHeavier molded cordRugged ABS housingSpare bulb holderPre-spotted bulbMetal cap hookRugged and lightweightThe highly polished reflector throws a brilliant blue-white spot using a pre-spotted bulb to assure the power beam pattern every time. The light can be easily flared out to a wide walking light. THE HEAD features a moisture-proof O-ring seal around the lens, a neoprene seal around the lens as well as a weatherproof switch. A plastic shield covers all working parts of the head and provides a spare bulb holder inside the headpiece. The unusual clip design allows easy attachment to a soft cap, hardhat, battery or a rifle barrel with the new barrel clip. THE HEAD may be used with either 4, 6, or 12 volt systems.