Brand UltraFire Model TD-020 Quantity 1 Color Black Material Aluminum alloy Emitter Brand SSC LED Type SSC Z7 Emitter BIN Z7 Color BIN Cool White Number of Emitters 1 Working Voltage 5~8.4 V Battery Configuration 4 x 18650 (4400mAh Included) Circuitry 2800mA Brightness 900 lm Runtime 3~4 hour Number of Modes 3 Mode Arrangement Hi > Lo > Fast strobe Mode Memory No Switch Type Forward clicky Switch Location Tailcap Lens Coated glass lens Reflector Aluminum Textured / OP Flashlight Mounting Handlebar and helmet Beam Range 100m Strap Included No Clip Included No Packing List 1 x Headlamp 4 x 18650 battery pack (70cm-cable) 2 x Round rings 1 x Headlamp band 1 x 2-Flat-Pin plug power charger (100~240V/90cm) 1 x Chinese / English user manual