Brand: UltraFire Model: T6 Material: Aluminum alloy Emitter Brand: Cree LED Type: XM-L BIN: T6 Color: Cool white Number of Emitters: 1 Voltage Input: 8.4V Battery Configuration: 4 x 18650 (included) Circuitry: 2800mA > 1900mA > 1500mA > 2800mA Brightness: 870lm > 665lm > 550lm > 870lm Runtime: 3~4 hours Number of Modes: 4 Mode Arrangement: Hi > Mid > Lo > Fast strobe Mode Memory: No Switch Type: Forward clicky Switch Location: Tailcap Lens: Coated glass lens Reflector: Plastic smooth / SMO Mounting: Handle bar helmet Beam Range: 100 meters Other Features: Water resistant; CNC process; HA-III surface Other Accessory: 1 x Battery pack (4800mAh) 1 x Power adapter (AC 100~240V / 2-flat-pin plug / 100cm-cable) 2 x Rubber mount rings 1 x Headstrap (52cm) 1 x Chinese / English user manual