Streamlight 74500 Strion LED HP Flashlight without Charger - 615 Lumens Features a multi-function, push-button tactical tail switch for one-handed operation of high, medium, low, or strobe modes Multiple modes: high, medium, low or strobe mode High for a high-lumen, far-reaching beam: 615 lumens; 40,000 candela; 400m beam; runs 1 hours Medium for bright light, good beam distance and longer run time: 320 lumens; 20,000 candela; 283m beam; runs 2 hours Low provides a less intense beam and extended run time: 160 lumens; 10,000 candela; 200m beam; runs 3.75 hours