Brand: UltraFire Model: 18WG-T60 Color: Black Emitter Brand/Type: XM-L Emitter BIN: T6 Color BIN: White Total Emitters: 1 Battery Configurations: 1 x 18650 battery (not included) Voltage Input: 2.7~4.2V Switch Type: Clicky/Clickie Switch Location: Tail-cap Modes: 3 Mode Memory: Yes Mode Arrangement: High > Mid > Strobe (updated: 2011-11-10) Circuitry: Digitally Regulated 3000mA Current Output Brightness: 915~975 lumens maximum brightness (manufacturer rated) Runtime: 100 minutes at high mode (manufacturer rated) Lens: Coated Glass Lens Reflector: Aluminum Textured/OP Carrying Strap: Strap Included Other Features: Hard Anodized Body