The Strion HPL is a compact, long-range, hand-held flashlight that produces a wide, 615 lumen beam pattern with brighter peripheral illumination and superior down-range performance. Multi-function, push-button tactical tail switch lets you select three lighting modes and strobe. Three modes and strobe: high, medium, low and strobe. High for a far-reaching beam with maximum illumination: 615 lumens. 400m beam. 40,000 candela. runs 1 hour. Medium for bright light, good beam distance and longer run time: 320 lumens. 283m beam. 20,000 candela. runs 2 hours. Low provides a less intense beam and extended run time: 160 lumens. 200m beam. 10,000 candela. runs 3.75 hours. Strobe for disorienting or signaling: runs 2.5 hours. Deep-dish parabolic reflector provides a long-range targeting beam with optimum peripheral illumination. C4 LED technology, impervious to shock with a 50,000 hour lifetime. Optimized electronics provides regulated intensity. Lithium ion battery is rechargeable up to 1,000 times. fully recharges in 3 hrs. Clamp style charger holder with digital control circuit that prevents over-charge. LED indicates charge status. PiggyBack charger doubles your run time by charging a spare battery (sold separately) so you can keep on working. reduces down time. Features a dual power input - USB port or "traditional" AC/DC charging. Integrated micro-USB interface specifically designed to guide the plug into place for a secure connection. USB port provides a convenient charging option using modern devices (power input only. does not charge USB devices). IPX4 water-resistant. 2 meter impact resistance tested. 6000 series machined aircraft aluminum with anodized finish. Unbreakable polycarbonate lens with scratch-resistant coating. Grooved barrel adapts to long gun mount. 7-Inch (17.78 cm). 7.1 oz. (202 grams). Serialized for positive identification. Limited lifetime warranty. Assembled in the USA..