This 3 AAA dual-function headlamp is cETLus, ATEX 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 top mounted switch provides user selectable high or low brightness spotlight operation. 3 AAA batteries (included).