ThruNite TN36 CW Lumen CREE MK-R LED Flashlight Black Powered by 4 18650 Batteries, Cool White

Specifications: led: CREE MK-R with a lifespan of 20+ years of run time. - runs on: 4 x 18650 (ThruNite 18650 3200mah). - working voltage: 10.5 - 17.5 V. - output mode/runtime*: strobe(6510 lumens /137 minutes), turbo(6510 lumens /119 minutes), high(2280 lumens /194 minutes), medium(785 lumens /587minutes ), low(116 lumens /54 hrs.), moonlight(1.6 Lumens /33 days). - max output of tn36 NW is a bit less than tn36 cw. - peak beam intensity: 22400cd. - max beam distance: 299m. - impact resistant: 2 meters. - waterproof to ipx-8 standard (1.5meters). - weight: 390g without battery. - dimensions: 125.8 Mm in length x64 mm in diameter. accessories: holster x1 spare, o ring x2, battery carrier x1(inside the flashlight). operation: to turn on/off the light: press the side switch to turn the light on/off. to change modes: When the light is on, long press the side switch to cycle through low, medium and high. Shortcut to firefly: when the light is off, long press the side switch to get firefly mode. Double click to turn to turbo from any mode. Another double click to get strobe. memory function: the light will turn on in the last mode accessed, except firefly, turbo and strobe. ITC technology: The light will automatically lower the current when temperature in led or driver rises to 80 degrees centigrade to protect the flashlight from overheating. Thus to extend its lifespan.