Model SL-8001 Quantity 1 Color Blue Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Color BIN Cool White Number of Emitters 1 Working Voltage 3.7~4.2 V Battery Configuration 4 x 18650 (4400mAh included) Circuitry 2800mA > 2300mA > 1500mA > 2800mA Brightness 870 > 600 > 400 > 870 lm Runtime 4 hours Number of Modes 4 Mode Arrangement Hi > Mid > Lo > Fast strobe (Long press 3 seconds under any mode) Mode Memory No Switch Type Forward clicky Switch Location Tailcap Lens Glass Reflector Aluminum Smooth / SMO Strap Included No Clip Included No Band Length 50cm Beam Range 150 meter Packing List 1 x Headlamp (80cm-cable) 1 x Headband 1 x 18650 battery pack (20cm-cable) 1 x Battery case 1 x 2-flat-pin plug power charger (100~240V / 150cm) 2 x Rubber rings 1 x Chinese / English user manual