INTRINSICALLY SAFE: Class I, Division 1 safety approvals ensure high visibility in any work environment. Perfect for hazardous jobs like mining, construction, & more. DURABLE AND WATERPROOF: Waterproof IP67 rating keeps workers visible in any environment. Strong enough for the toughest jobs—drop rated to 2 meters. LONG LASTING BATTERY: The red, blue and green colors run 36 hours on steady and 144 hrs. on flash. The white and amber colors run 24 hours on steady and 96 hours on flash, all in a lightweight design. SUPER BRIGHT: Quickly locate workers from over 1,000 feet away. Can be programmed to a steady flash mode, random flashing mode or steady mode. Attaches directly to a helmet, hard hat, or harness. TRUSTED AMERICAN CRAFTSMANSHIP: Designed & manufactured in Hanover Township, Pennsylvania. With a focus on quality and performance, Koehler BrightStar has advanced industrial flashlight innovation for over a century.