Brand RUSTU Model WF-501B Color Black Quantity 1 Material T6063 T6 aluminum Emitter Brand Cree LED Type XM-L2 Emitter BIN T6 Color BIN Cool White Number of Emitters 1 Brightness 680 > 580 > 350 > 650 > 410 lm Working Voltage 3.7 V Circuitry 2400~2900 mA Number of Modes 5 Mode Arrangement Hi > Mid > Lo > Fast strobe > SOS Switch Type Forward clicky Switch Location Tailcap Mode Memory No Runtime 4 hours (depends battery capacity) Beam Range 260m Lens Tempered optical glass Reflector Aluminum Smooth / SMO Battery Configuration 1 x 18650 (not included) Strap Included Yes Clip Included No Other Feature Waterproof: IPX7 (underwater 2m); Head diameter: 3cm; Body diameter: 2.5cm; Tail diameter: 2.5cm; Overall length: 13.5cm; Hard anodized: HA-III Certification CE Packing List 1 x Flashlight