Brand UltraFire Model UF-80 Color Black Quantity 1 Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN U2 Color BIN Cool White Number of Emitters 3 Brightness 2050 lm Working Voltage 3.6~4.2 V Circuitry 2800 mA Number of Modes 3 Mode Arrangement Hi>Low>Fast Strobe Switch Type Reverse clicky Switch Location Bezel Mode Memory No Runtime 2~3 hours Beam Range 300m Lens Glass Reflector Aluminum Smooth Battery Configuration 4 x 18650 Batteries (not included) Strap Included Yes Clip Included No Other Feature Press the switch for 3s to change from constant output modes to fast strobe mode. Packing List 1 x Flashlight 1 x Strap