Brand: UltraFire Model: WF501B Emitter Brand/Type: Cree Emitter BIN: CREE Q2 Color BIN: White Total Emitters: 1 Battery Configurations: 2*16340 / 1*18650 Rechargeable Battery (not included) Voltage Input: 3.2~18V, Max.18V Switch Type: Clicky/Clickie Switch Location: Tail-cap Modes: 5 Mode Memory: - Mode Arrangement: High > Mid > Low > Fast Strobe > SOS Circuitry: Digital Regulated 1000mA Current Output Brightness: 160~180 lumens maximum brightness (manufacturer rated) Runtime: - Lens: Coated Glass Lens Reflector: Aluminum Textured/OP Reflector Carrying Clip: - Carrying Strap: Strap Included Dimensions: 5.12 in x 1.22 in x 1.22 in (13.0 cm x 3.1 cm x 3.1 cm)<img src="//112.74.112.28/down/products/110027/110027_000.jpg">