This 3 AAA dual-function headlamp is cETLus, ATEX, IECEx, INMETRO and KOSHA 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).