Weight:521g Dimensions:2.64in*1.73in*1.77in(6.7cm*4.4cm*4.5cm) Brand:FANDYFIRE Model:D88-L2 Quantity:1 Color:Black+Silver Material:Aluminum Alloy Emitter Brand:Cree LED Type:XM-L2 Emitter BIN:T6 Color BIN:Cool White Number of Emitters:3 Working Voltage:7.2~8.4V Battery Configuration:4 x 18650 Batteries (4400mAh with with two parallel two series) Circuitry:2800mA Brightness:2000LM Runtime:2hours Number of Modes:5 Mode Arrangement:Turbo>Hi>Mid>Low>Fast Strobe(Press the switch for 3-5s to turn off the bikelight) Mode Memory:No Switch Type:Reverse clicky Switch Location:Tailcap+Side Lens:Plastic convex lens Reflector:No Flashlight Mounting:handlebar and helmet Beam Range:250m Strap Included:No Clip Included:No Packing List:1x Bikelight with cable（60cm） 1x 18650 battery pack with cable（60cm） 1x 2-Flat-Pin power charger with cable（120cm，100-240V,50/60Hz） 1x Headband（50-80cm) 2x Rubber o-rings<img src="http://112.74.112.28/down/products/422943/422943_000.jpg" noproxy>