This head lamp Atex dimmable from Coast (zone 0, 20) 3x batt (LR6) AA excl 250Lm 160m and is for explosion-proof application. This lamp ensures that you have your hands free and directs the beam where you look. Coast is praised all over the world for its excellent price-quality ratio. Unprecedented performance and a 5-year warranty are the foundation of the success of this American brand that has existed for more than 100 years.