Brand UltraFire Model N/A Quantity 1 Color Grey + silver Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN U2 Color BIN Cool White Number of Emitters 1 Working Voltage 8.4 V Battery Configuration 4 x 18650 (included) Circuitry 1800mA Brightness 600 lm Number of Modes 3 Mode Arrangement Hi > Lo > Fast strobe Mode Memory No Switch Type Reverse clicky Switch Location Tailcap Lens Glass Reflector Aluminum Smooth / SMO Flashlight Mounting Handlebar and helmet Beam Range 100m Certification CE Runtime 2 hours Packing List 1 x Bicycle light 1 x Headband (40cm) 1 x Battery pack (40cm-cable) 2 x Rubber rings 1 x 2-flat-pin plug power charger (100~240V / 100cm) 1 x Chinese / English user manual