Intrinsically Safe for Hazardous Locations: Class I, Division 1 headlamp engineered for use in hazardous locations where explosive gases, vapors, or dust may be present; ideal for industrial, petrochemical, utility, and confined space work Bright, Long-Reaching Beam for Close Work: High-output LED delivers 270 lumens, 5,600 candelas, and a 150-meter beam, providing a clean, even flood pattern for inspections, maintenance, and jobsite tasks All-Shift Runtime on Standard Batteries: Runs up to 8 hours on High using three included AA alkaline batteries, giving crews full-shift performance without relying on chargers or specialty power systems What’s in the Box from Streamlight: Includes the 3AA HAZ-LO headlamp, (3) AA alkaline batteries, an elastic head strap, and a rubber hard-hat strap for secure mounting on helmets and bare heads Built Streamlight Tough: Impact-resistant resin housing with O-ring–sealed, unbreakable polycarbonate lens; 1 m impact-resistance tested and weather-resistant for reliable performance in harsh environments