Brand: UltraFire Model: SH-F12 Material: T6 Aluminum alloy Emitter Brand: Cree LED Type: XM-L BIN: T6 Color: Cool white Number of Emitters: 1 Voltage Input: 3.6~4.2V Battery Configuration: 1 x 18650 (not included) Circuitry: 2400mA Brightness: 850lm Runtime: 2 hours Number of Modes: 3 Mode Arrangement: Hi > Mid > Fast strobe Mode Memory: Yes Switch Type: Reverse clicky Switch Location: Tailcap Lens: Tempered glass lens Reflector: Aluminum textured / OP Strap Included: Yes Clip Included: No Beam Range: 100 meters Other Features: HA-III surface; Glow-in-the-dark switch