3AA HAZ-LO® LED HEADLAMP DESCRIPTION: Our first safety approved headlamp for Class 1, Div 1 hazardous locations! We engineered this compact, high-performance, super high flux LED headlamp to meet the stringent requirements of class 1, division 1 hazardous locations while maintaining exceptional light output and a long run time. One (1) watt super high flux LED Delivers up to 34 Lumens Up to 11 hours of runtime, declining output to 25% intensity Intrinsically safe for use in atmospheres containing hazardous gases, vapors and liquids Push-button switch provides easy operation when wearing heavy gloves Impact resistant housing drop test verified from 30 feet Unbreakable polycarbonate lens O Ring sealed, water resistant Includes both elastic head strap and rubber hard hat strap (3) "AA" alkaline batteries Weight: 7.1 ounces with batteries Limited lifetime warranty