Streamlight 74368 Strion LED Flashlight without Charger, Kryptek High for a bright super-bright beam: 260 Lumens; 10,000 Candela peak beam intensity; 200 meter beam distance; runs 2 hours Medium for bright light and longer run time: 130 Lumens; 5,000 Candela peak beam intensity; 141 meter beam distance; runs 4 hours Low for light without glare and extended run time: 65 Lumens; 2,500 Candela peak beam intensity; 100 meter beam distance; runs 7.5 hours Strobe for disorienting or signaling your location; runs 5.5 hours C4 LED technology, impervious to shock with a 50,000 hour lifetime