This head lamp Atex dimmable from UnderwaterKinetics (zone 1, 21) 3x batt (LR03) AAA incl 65Lm 60m and is for explosion-proof application. This lamp ensures that you have your hands free and directs the beam where you look. UnderWaterKinetics is a unique company that exceeds expectations in everything it does. Its products receive praise from utility companies and outdoor sports enthusiasts. The company also designs industrial torches, safety lamps and headlamps.