Brand ARCHON Model D20 Quantity 1 Color Black Material Aluminum alloy Emitter Brand CREE Number of Emitters 1 Color BIN White Emitter Type XM-L Emitter BIN T6 Working Voltage 6~14 V Battery Configuration 2 x 18650 / 4 x CR123A (not included) Circuitry 2800mA Brightness 950 lm Runtime 1.8 hours Number of Modes 3 Mode Arrangement Hi > Lo > Fast strobe Mode Memory No Switch Type Twisty Switch Location Tail twisty Lens Plastic Reflector Aluminum Smooth / SMO Strap Included Yes Clip Included No Working Depth Underwater IPX8 (underwater 100m) Features Professional micro-computer chip low battery indication and low battery protection preventing over-discharge of lithium batteries; The unique glow-in-the-dark ring in the head non-traditional design ensures normal use underwater; sing numerical constant current circuit it can still maintain a long constant current state without decay during battery flashlight brightness decay process; Anti-reverse connection protection of battery; Hard anodized: HA-III. Packing List 1 x Diving flashlight 1 x Seal silicone grease 2 x Straps 2 x Backup rings 1 x English user manual