Brand N/A Model SL-2013 Quantity 1 Color Grey + silver Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Color BIN Cool White Number of Emitters 1 Working Voltage 8.4 V Battery Configuration 4 x 18650 (4400mAh included) Circuitry 1500mA > 2300mA > 2800mA > 2800mA Brightness 300 > 600 > 950 > 950 lm Runtime 4 hours Number of Modes 4 Mode Arrangement Lo > Mid > Hi > Fast strobe Mode Memory No Switch Type Reverse clicky Switch Location Separately installed on bicycle with headlamp tailcap button. Lens Glass Reflector Aluminum Smooth / SMO Flashlight Mounting Handlebar and helmet Beam Range 300m Strap Included No Clip Included No Features LED life up to 100000 hours; It will automatically enter into low mode if voltage is less than 6V; CNC processing and anodizing surface. Packing List 1 x Bicycle headlamp (80cm-cable) 1 x 2-flat-pin plug power charger (100~240V / 100cm) 1 x Battery pack (20cm-cable) 4 x Elastic rubber rings 1 x Headband (40cm-circumference) 1 x Chinese / English user manual