Color Black Brand UniqueFire Model HD-016 Quantity 1 Set Material Aluminum alloy Emitter Brand Cree LED Type XM-L2 Emitter BIN T6 Number of Emitters 2 Color BIN Cool White Working Voltage 7.2~8.4 V Power Supply 4 x 18650 (included) Current 2800 mA Theoretical Lumens 1600 lumens Actual Lumens 1100 lumens Runtime 2~3 Hour Number of Modes 4 Mode Arrangement Fast StrobeOthersDipped light + full beam + two lights on Mode Memory No Switch Type Reverse clicky Lens Glass Reflector Aluminum Smooth Flashlight Mounting Handlebar and Helmet Switch Location Tailcap Beam Range 150 m Bike Lamp Interface Size 5.5-2.1mm Battery Pack Interface Size 5.5-2.1mm Packing List 1 x Lamp (50cm cable) 1 x Head band 1 x 4-18650 battery pack (2P2S 50cm) 1 x US plug 100~240V charger (100cm) 2 x Fastening gaskets