The TK76 is the big kahuna of all Fenix flashlights. Using three separate LEDs with an incredible lumen output, this strangely shaped yet futuristic flashlight is an evenly balanced illumination tool that you would think only exists in the movies. Learn about what makes this light so incredible and take a closer look to see more than you have ever seen before. PersonalizationNumerous Lighting CombinationsThe TK76 features up to 10 output modes to meet whatever lighting requirements you have. Of course, you can always turn up the heat with the 2,800 lumen Turbo mode, but maybe you want a softer 20 lumen Low mode which lasts for days. Whatever the situation demands, you can either run on one single CREE XM-L2 (T6) LED, or two additional CREE XM-L2 (U2) LED's, each separately configurable. Angled to PerfectionUnique Body DesignThis futuristic light is easy to notice as it strays from the traditional circular shaped bezel. Consisting of one large hexagonal bezel and two smaller hexagonal bezels which complement the large reflector. Heat sinks litter the body to maximize heat dissipation and keep the TK76 running smoothly. Easily navigate through five mode and power buttons for simple access to whatever mode you desire. Of course, Fenix never fails to live up to the IPX-8 standard as this light has it come standard.Features: Tri-color displays indicate the running level and the remaining power with low-power warning Independently controlled lighting heads permit easy and fast operation Instant Turbo activation for immediate illumination Intelligent thermal control to protect the flashlight against over-heat Reverse polarity protection guards against improper battery installation Digitally regulated output - maintains constant brightness Made of durable aircraft-grade aluminum Anti-roll, slip-resistant body design CR123A batteries must be removed all together Specifications: LED: 3 x CREE XM-L2 Runs on: 4 x 18650 OR 8 x CR123A batteries (Batteries NOT included) Output mode/Runtime: Turbo: 2800 lumens / 1.16 hrs High: 1100 lumens / 4 hrs Mid: 420 lumens / 11 hrs Low: 20 lumens / 66 hrs Peak Beam Intensity: 50800cd Maximum beam distance: 1,476.3 ft (450m) Dimensions: Length: 8.74" (222mm) Body Diameter: 2.16" (55mm) Bezel Diameter: 3.03" (77mm) Weight: 28.2 .oz (800g) (excluding batteries)