Brand: UltraFire Model: WF-502B Emitter Brand/Type: Cree Emitter BIN: MC-E (BIN K) Color BIN: White Total Emitters: 1 Battery Configurations: 1 x 18650 rechargeable battery Voltage Input: 2.6~4.2V 4.2V Max. Switch Type: Clicky/Clickie Switch Location: Tail-cap Modes: 5 Mode Memory: - Mode Arrangement: Hi > Mid > Low > Fast Strobe > SOS Circuitry: Digital Regulated 1800mA Current Output Brightness: 700 lumens maximum brightness (manufacturer rated) Runtime: 80 minutes (manufacturer rated) Lens: Coated Glass Lens Reflector: Aluminum Textured/OP Reflector Carrying Clip: Clip Included Carrying Strap: -