Four lighting modes: High for a bright super-bright beam: 425 lumens; 322m beam; runs 3 hours; 26,000 candela Medium for bright light and longer run time: 200 lumens; 219m beam; runs 5.5 hours; 12,000 candela Low for extended run time: 100 lumens; 155m beam; runs 10 hours; 6,000 candela Strobe runs 7.5 hours IPX4 water-resistant; 1m impact resistance tested NiMH sub-C battery, rechargeable up to 1000 times Multi-function On/Off push-button switch Unbreakable polycarbonate lens with scratch-resistant coating Includes anti-roll rubber ring 8.41" (21.36 cm).; 12.4 oz. (352g) Serialized for positive identification Limited lifetime warranty