Weight:369g Dimension:2.05in*1.06in*1.06in(5.2cm*2.7cm*2.7cm) Brand:LusteFire Model:P10 Quantity:1 Piece Color:Black+Red Material:Aluminium Alloy Emitter Brand:Cree LED Type:XM-L2 Emitter Bin:T6 Number of Emitters:1 Color Bin:Cool White Working Voltage:7.2~8.4V Power Supply:4 x 18650 Battery in a pack (two parallel two series) Current:2500MA Theoratical Luminous:900lm Actual Luminous:800lm Runtime:2~3 hour Number of Modes:5 Mode Arrangement:Hi>Mid>Low(Black Switch) Constant Output Mode>Fast Strobe(Red Switch) Mode Memory:No Switch Type:Dual Reverse Clicky Switch Location:Tailcap Lens:Glass Reflector:Aluminium Smooth/SMO Beam Range:200m Flashlight Mounting:Handlebar Packing List:1 x Bike Light(cable length:25cm) 1 x US Power Adapter(100~240v, 50/60Hz, cable length:90cm) 1 x 18650 Battery Pack(4400mAh, cable length:30cm) 2 x Fixing Rubber O-rings<img src="http://112.74.112.28/down/products/427322/427322_000.jpg">