Brand: UltraFire Model: K10 Casing Color: Black Emitter Brand/Type: Cree Emitter BIN: XPE R5 Color BIN: White Total Emitters: 1 Battery Configurations: 1 x AA / 1 x 14500 rechargeable battery (not included) Voltage Input: 0.8~4.2V 4.2V Max. Switch Type: Clicky/Clickie Switch Location: Tail-cap Modes: 6 Mode Memory: - Mode Arrangement: Hi > Mid > Lo > Fast Strobe > Slow Strobe > SOS Circuitry: Digital Regulated 1000mA Current Output Brightness: 350 lumens maximum brightness (manufacturer rated) Runtime: 40 minutes (manufacturer rated) Lens: Coated Glass Lens Reflector: Aluminum Smooth/OP Reflector Carrying Clip: - Carrying Strap: Strap Included