This 3 AA Dual-Light multi-function headlamp is cETLus, ATEX, IECEx and MSHA listed intrinsically safe permissible. The headlamp features a multi-position tilt head design, a rear mounted battery compartment and includes both an elastic head strap with a non-slip lining and a heavy duty rubber strap for use with hard hats. The top mounted dual switches provide spotlight, full-power white floodlight, half-power white floodlight and green floodlight operation. Power comes from 3 AA batteries (included).