Petzl - TACTIKKA + Headlamp 160 Lumens, Black 160 LUMEN: maximum output ADJUSTABLE MODES: choose from three different modes(proximity, movement, or focused) for various situations EASY TO USE: simple push-button system for quick lighting mode selection BATTERIES INCLUDED: headlamp runs on three AAA/LR03 batteries COMPATIBLE: with rechargeable Ni-MH and lithium batteries