Brand UltraFire Model N/A Quantity 1 Color Black + silver Material Aluminum alloy Emitter Brand SSC LED Type Z7 Emitter BIN Z7 Color BIN Cool White Number of Emitters 1 Working Voltage 8.4 V Battery Configuration 4 x 18650 batteries pack Circuitry 2800mA Brightness 900 lm Runtime 3~4 hours Number of Modes 3 Mode Arrangement Hi > Lo > Fast strobe Mode Memory No Switch Type Reverse clicky Switch Location Tailcap Lens Tempered glass Reflector Aluminum Textured / OP Flashlight Mounting Handlebar and helmet Beam Range 100 meters Strap Included No Clip Included No Packing List 1 x Bike light (75cm-cable) 2 x Mount rubber rings 1 x Head strap (40cm) 1 x Battery pack 1 x Power adapter (AC 100~240V / 2-flat-pin plug / 100cm-cable) 1 x Chinese / English user manual