Brand: UltraFire Model: WF-502B Emitter Brand: Cree LED Type: XM-L BIN: T6 Color: White Number of Emitter: 1 Voltage Input: 3.7~10V Battery Configuration: 1 x 18650 battery or 2 x 16340 batteries (not included) Circuitry: Digital Regulated 1500mA Current Output Brightness: 350LM Runtime: 60 minutes (manufacturer rated) Number of Modes: 5 Mode Arrangement: High > Mid > Low > Fast Strobe > SOS Mode Memory: No Switch Type: Reverse clicky Switch Location: Tailcap Lens: Glass Lens Reflector: Aluminum Textured/OP Beam Range: - Strap Included: No Clip Included: Yes Dimensions: 5.35 in x 1.34 in x 1.34 in (13.6 cm x 3.4 cm x 3.4 cm)<img src="http://112.74.112.28/down/products/110064/110064_000.jpg" noproxy>