Fire Resistant helmet light for Hazardous Environments including Structural Firefighting Chemical Plants and HazMat The only headlamp in the world that is UL 913 Certified Intrinsically Safe for Hydrogen and Acetylene Environments Fits Most Helmets with Visors or Face Shields Meets NFPA Fire Resistant Requirements–500F (260C) for 30 minutes Candle Power = 486 Lumens = 38.7 Field of Vision = 45 Lighting = Photopic Distance Vision = 100 – 150 ft (30 – 45 m) Peripheral Vision = 60 ft (18 m) Tilt = Yes (90) Intrinsically Safe = Yes Number of LEDs = 24 LED Colors = 20 White & 4 Green Tap Switch = Yes Waterproof = Yes (20 ft / 6 m) Fire Resistant = Yes Impact Resistant = Yes