Brand UltraFire Model N/A Quantity 1 Color Black + Red Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Color BIN Cool white Number of Emitters 1 Working Voltage 5.4~8.4 V Battery Configuration 4 x 18650 batteries pack Circuitry 2400mA Brightness 800 lm Runtime 3~4 hours Number of Modes 4 Mode Arrangement Hi > Mid > Lo > Fast strobe Mode Memory No Switch Type Forward clicky Switch Location Tailcap Lens Glass Reflector No Flashlight Mounting Handlebar or helmet Beam Range 100m Strap Included No Clip Included No Features Enter fast strobe mode need to press switch button for some time; Zoom-to-throw Packing List 1 x Bicycle lamp (80cm-cable) 2 x Rubber rings 1 x 2-Flat-Pin plug power adapter (100~240V / 130cm) 1 x Band 1 x English / Chinese user manual