Intrinsically Safe Dual-Function HeadlampSingle switch located on top of light Non slip elastic head strap Heavy duty rubber strap for hard hat applications This 3 AAA dual function 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 top mounted switch provides user selectable high or low brightness