Brand UltraFire Model N/A Quantity 1 Color Metal grey Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Color BIN Cool white Number of Emitters 4 Working Voltage 8.4 V Battery Configuration 4 x 18650 batteries pack (included) Circuitry 2.8A Brightness 2600 lm Runtime 1.5~2 hours Number of Modes 3 Mode Arrangement Hi (100%) > Lo (20%) > Strobe (100%) Mode Memory No Switch Type Forward clicky Switch Location Tailcap Lens Glass Reflector Aluminum smooth / SMO Flashlight Mounting Handlebar or helmet Beam Range 100m Strap Included No Clip Included No Features Press switch button for 3s into strobe mode when on low middle or high mode press switch button for 3s to close flashlight Packing List 1 x Bicycle lamp 1 x Band 1 x Battery pack (60cm-cable) 1 x Battery case 2 x Rubber rings 1 x 2-Flat-Pin plug power charger (100~240V / 120cm)