Fenix Flashlights TK76 2800-Lumen Flashlight, Black Max 2800 lumen turbo output from four 18650 batteries (NOT INCLUDED) throws light over 450 meters Six outputs including Turbo-2900 lumen (1hr 15min), High-1200 lumen (4hr), Medium-450 lumen (12hr), Low-25 lumen (200hr), strobe and SOS Easy to use side dual controls, balanced compact body design IPX-8 Waterproof, 2 meters for 30 minutes Supported by limited lifetime guarantee from Fenix Lighting, US