Brand UltraFire Model WK-19 Quantity 1 Color Black Material Aluminum alloy Emitter Brand Cree Number of Emitters 1 Color BIN White Emitter Type XR-E Emitter BIN Q5 Working Voltage 3.6~4.2 V Battery Configuration 1 x 18650 (not included) Circuitry N/A Brightness 180 lm Runtime 2~4 hours Number of Modes 5 Mode Arrangement Hi > Mid > Lo > Slow strobe > Fast strobe Mode Memory No Switch Type Magnetic swivel Switch Location Mid Lens Glass Reflector Aluminum Smooth / SMO Strap Included Yes Clip Included No Working Depth Underwater 50 meters Features 200 meters beam range; 6800K color temperature Packing List 1 x Flashlight