Brand: UltraFire Model: - Material: Aluminum alloy housing Emitter Brand: Cree LED Type: XM-L BIN: T6 Color: Cold white Number of Emitters: 1 Voltage Input: 8.4V Battery Configuration: 4 x 18650 (included) Circuitry: 2.8A Brightness: 200~900lm Runtime: 3~4 hours Number of Modes: 3 Mode Arrangement: Hi > Low > Strobe Mode Memory: No Switch Type: Reverse clicky Switch Location: Tailcap Lens: Glass Lens Reflector: Aluminum Smooth Head Strap Length: 54cm Clip Included: No Beam Range: 200 meters Accessories: 1 x Battery pack 2 x Rubber rings 1 x Head strap (54cm) 1 x 100~240V power adapter (2-flat-pin plug/100cm-cable) 1 x Chinese/English user manual