Energizer 459 Industrial Safety LanternMSHA approved for use in methane-air mixtures, the Energizer 459 Mine Safety Lantern is designed so that if the lamp is broken, the electrical circuit will be opened before the filament can ignite explosive gas-air mixtures in the surrounding environment. Running for 20 hours on a 6V lantern battery, the 459 can provide a 64 Lumen beam in even the most demanding conditions.Features and Specifications: Mine Safety (MSHA) Tested for use in Methane-air mixtures (Class 1, Groups C and D) Waterproof Body floats if dropped! Electrically Non-Conductive Casting is Resistant to Water, Gasoline, Alcohol, Most Oils, Greases, and Extreme Temperatures Padded push-button switch for easy operation Breakage Resistant Lens and Non-Tarnishing Reflector International Safety Orange for Easy Identification Safety Disconnect Mechanism Prevents Broken Bulb From Igniting Flammable Gas-Air Mixtures Lifetime Warranty (Excludes Bulb) Uses 1 x 6V Lantern Battery (Not Included) Please Note: For Best Results Use Energizer Industrial EN529 Lantern BatteryWarning: DO NOT USE HALOGEN BULBS! If broken, they can ignite gasses or other materials and cause personal injury.Click here for Manufacturer's Data Sheet