FoxFury 940K-010FI Fire and Impact Resistant Waterproof Side-Mounted LED Helmet Light and Flashlight, 200 Lumens 200 lumen helmet light or flashlight runs up to 8 hours on two CR123 batteries or one rechargeable 18650 battery Constructed from high quality aluminum, this light is fire resistant up to 140F/60C(NFPA 1971-8.6 (2013)), impact resistant and waterproof to 1 meter Can be side mounted above or below the brim on most traditional and modern style firefighter helmets (including US style firefighter helmets utilizing goggles, visors and Bourkes eye protection) Features anti-roll head to prevent rolling off a surface, C-Clamp with Secure SideSlide lock for easy conversion to flashlight and strike bezel strong enough to shatter a car windshield or in self defense 3 modes: high, low and flashing to provide optimal light intensity. Also features a highly visible green flashing LED in the rear battery pack that can be seen from over 1 mile away for added safety