Streamlight 75699 Stinger LED HL High-Lumen Flashlight with IEC Type-A 120V AC/12V DC PiggyBack Smart Charger, Kryptek High for a super-bright beam - 640 Lumens; 22,000 Candela peak beam intensity; 297 meter beam distance; runs 1.25 hours Medium for bright light and longer run times  340 Lumens; 11,000 Candela peak beam intensity; 210 meter beam distance; runs 2 hours Low for light without glare and extended run times  170 Lumens; 5,500 Candela peak beam intensity; 148 meter beam distance; runs 4 hours Strobe for disorienting or signaling your location; runs 3 hours 3-Cell, 3.6 volt ni-mh sub-c battery, rechargeable up to 1000 times