Fenix Flashlights HP30 900-Lumen Headlamp Features 900 lumen Blast output for momentary use 6 outputs including Turbo Blast-900 lumens, High-500 lumen(3hr 50min), Medium-200 lumen(12hr), Low-65 lumen(32hr 40 min), Eco-4 lumen(300 hr), and SOS Simple to use two button switch and remote battery holder with USB port for charging devices IPX-6 Waterproof, 1 meters for 30 minutes Supported by limited lifetime guarantee from Fenix Lighting, US