Brand: UltraFire Model: R2 Emitter Brand/Type: Cree XM-L Emitter BIN: T6 Color BIN: White Total Emitters: 1 Battery Configurations: 1 x 18650 Rechargeable Battery (not included) Voltage Input: 2.8~4.2V Switch Type: Clicky/Clickie Switch Location: Tail-cap Modes: 5 Mode Memory: Yes Mode Arrangement: Low > Mid > High > Fast Strobe > SOS Circuitry: Digital Regulated 1400mA Current Output Brightness: 510 lumens maximum brightness (manufacturer rated) Runtime: 60min at high mode Lens: Coated Glass Lens Reflector: Aluminum Textured/OP Reflector Carrying Clip: - Carrying Strap: Strap Included