This head lamp dimmable from Petzl (Tikka) 3x batt (LR03) AAA incl 300Lm 65m ensures that you have your hands free and is for professional use. This lamp directs the beam where you look. Petzl manufactures very qualitative, innovative headlamps. Wearing a headlamp on your head is very practical and common today. 30 years ago (Petlz invention) is was not. Since then, Petzls have become increasingly light, compact, durable and powerful.