Color Black Brand Marsing Model MS-02 Quantity 1 Set Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN U2 Number of Emitters 1 Color BIN Cool White Working Voltage 8.4 V Power Supply 4 x 18650 batteries (Included) Current 2600~3600 mA Theoretical Lumens 1200 lumens Actual Lumens 1000 lumens Runtime 3~4 Hour 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 300-500 m Bike Lamp Interface Size 2.1mm Battery Pack Interface Size 5.5mm Certification CE RoHS Packing List 1 x Bike light (75cm-cable) 2 x Rubber rings 1 x 8.4V 2600mAh 4 x 18650 Battery Pack (37cm-cable) 1 x US Charger (100~240V / 94cm-cable) 1 x Headband (20cm)