Color Ash Black Brand Marsing Model B40 Quantity 1 Set Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Number of Emitters 4 Color BIN Cool White Working Voltage 8.4 V Power Supply 6 x 18650 batteries (included) Current 8800 mA Theoretical Lumens 4800 lumens Actual Lumens 2400~4000 lumens Runtime 120~360 minutes Number of Modes 3 Mode Arrangement HiMidFast Strobe Mode Memory No Switch Type Forward clicky Lens Glass Reflector Aluminum Smooth Flashlight Mounting Handlebar and Helmet Switch Location Tailcap Beam Range 200~250 m Bike Lamp Interface Size 3.5mm Battery Pack Interface Size 3.5mm Packing List 1 x Bike light (90cm-cable) 1 x Headband (20cm) 1 x Battery pack (37cm) 2 x Rubber rings 1 x AC power charger adapter (US plug / 90cm-cable)