This 3 AAA multi-function Dual-Light™ headlamp is cETLus, ATEX, INMETRO and IECEx listed intrinsically safe. This headlamp features a multi-position tilt head design and includes an elastic head strap with a non-slip lining and a heavy duty rubber head strap for use on a hard hat. The dual top mounted switches provide user-selectable high or low brightness spotlight, high or low brightness floodlight operation and our exclusive Dual-Light™ design the ability to turn on both the spotlight and the floodlight at the same time for Max user safety and lighting versatility. Power comes from 3 AAA batteries (included). NightStick® Dual-Light™ Headlamp, Intrinsically Safe Multi-Function Waterproof, LED Bulb, 115/60 Lumens Spotlight/120/60 Lumens Floodlight/160 Lumens Dual-Light™ Lumens, 50000 hr Average Life, AAA Battery, 3 Batteries, Green, Polymer Housing Material, IP67 Enclosure, 2.1 in L x 2.6 in W x 1.8 in D Dimensions