Color Black Grey Brand Marsing Model C50 Quantity 1 Set Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Number of Emitters 5 Color BIN Cool White Working Voltage 8.4 V Power Supply 6 x 18650 (Included) Current 8800 mA Actual Lumens 4000-4500 lumens Runtime 3-4 Hour Number of Modes 3 Mode Arrangement HiLowFast Strobe Mode Memory No Switch Type Forward clicky Lens Glass Reflector Aluminum Smooth Flashlight Mounting Handlebar and Helmet Switch Location Tailcap Beam Range 300-400 m Bike Lamp Interface Size 2.1mm Battery Pack Interface Size 5.5mm Packing List 1 x Bike light (90cm-cable) 2 x Rubber rings 1 x 8.4V 8800mAh (6 x 18650) Battery Pack (37cm) 1 x EU Charger (100V-240V 90cm) 1 x Headband (20cm)