Brand RUSTU Model D6B Quantity 1 Color Black Material Air craft quality aluminum 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 16850 batteries (2-series connection and 2-parallel connection 18650 battery pack 4800mAh included) Circuitry 2A Brightness 692 lm Runtime Highlight: 4 hours Middle light: 5 hours; Fast strobe: 3 hours Number of Modes 3 Mode Arrangement Hi / Mid / Fast Strobe Mode Memory No Switch Type Forward clicky Switch Location Bezel Lens Toughened optical glass Reflector Aluminum Smooth Strap Included No Clip Included No Band Length Three side flexible headband each length: 22cm Suitable Head Circumference Suitable for 16-year-old and above Beam Range 200 meters Other Feature Water resistant: IPX 7 Certification CE Packing List 1 x Headlamp (60cm-cable) 1 x Battery pack (2-series connection and 2-parallel connection 18650 battery pack / 30cm-cable) 1 x AC power charger adapter (AC 100~240V / US plug / 140cm-cable) 1 x Flexible band 2 x Fixed rings 1 x English user manual