This head lamp dimmable from Coast 3x batt (LR03) AAA incl 251Lm 22m ensures that you have your hands free and is for professional use. This lamp 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.