Color Black Brand NiteCore Model MH1A Quantity 1 Piece Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN U2 Color BIN Cool White Number of Emitters 1 Working Voltage 3.6~4.2 V Power Supply 1 x 14500 Current 1500 mA Theoretical Lumens 550 lumens Actual Lumens 550 lumens Runtime 45 minutes Number of Modes 6 Mode Arrangement HiMidLowFast StrobeSOSOthersSuper high Mode Memory Yes Switch Type Reverse clickyTwisty Switch Location TailcapHead Twisty Lens Glass Reflector Aluminum Smooth Beam Range 125 m Strap/Clip Strap includedClip included Other Features Premium CREE XM-L U2 LED; Maximum output of 550 lumens; High efficiency regulation circuit; Maximum runtime of up to 23 hours Max throw 125m; Intelligent charging circuit with voltage detection charges safely and rapidly; Integrated micro USB charging port is water dust and impact resistant; Multiple output modes are conveniently accessed via rapid rotary switch; User-defined mode provides customized brightness levels plus strobe and SOS modes; Intelligent memory function stores preferred brightness setting; Broad voltage circuit accepts both rechargeable and non-rechargeable Lithium batteries; Optimized ultra-precise reflector offers a longer beam distance than competing products; Waterproof in accordance with IPX-8 (submersible to two meters); Stainless steel bezel ring protects core components from damage; Toughened ultra-clear mineral glass with anti-reflective coating; Constructed from aerospace-grade aluminum alloy; HAIII military grade hard-anodized; Reverse polarity protection; Stainless steel titanium-plated clip; Anti-rolling design Packing List 1 x Flashlight 1 x Strap (23cm) 1 x Clip 2 x Back up rings 1 x English / Chinese manual 1 x Batttery 1 x USB charging cable (100cm)