Model B31 Quantity 1 Color Black Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Color BIN Cool White Number of Emitters 3 Working Voltage 8.4 V Battery Configuration 4 x 18650 (4400mAh included) Circuitry 8.8A Brightness 1800~2500 lm Runtime 3 hours Number of Modes 3 Mode Arrangement Hi > Lo > Fast strobe Mode Memory No Switch Type Forward clicky Switch Location Tailcap Lens Glass Reflector Aluminum Smooth / SMO Flashlight Mounting Handlebar and helmet Beam Range 300m Features Color temperature: 5000K; Waterproof: IP6; When indicator lights on red and then automatically shut down please don't open the headlamp which will damage battery. Packing List 1 x Bicycle light (110cm-cable) 1 x 2-flat-pin plug power charger (100~240V / 100cm) 2 x Rubber rings 1 x Battery pack (15cm-cable) 1 x Battery case