Color Black Brand Marsing Model B22 Quantity 1 Set Material Aluminium alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Number of Emitters 2 Color BIN Cool White Working Voltage 8.4 V Power Supply 4 x 18650 (included) Current 4400 mA Theoretical Lumens 2000 lumens Actual Lumens 300~1200 lumens Runtime 200~400 minutes 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 200~250 m Bike Lamp Interface Size 3.5mm Battery Pack Interface Size 3.5mm Packing List 1 x Headlamp (90cm-cable) 1 x Headband (20cm) 1 x Battery pack (37cm-cable) 2 x Rubber rings 1 x US plug power charger (90cm-cable)