Color Black Model ZSJ-B2 Quantity 1 Set Material Aluminium alloy Emitter Brand OthersN/A LED Type XM-L Emitter BIN T6 Number of Emitters 2 Color BIN Neutral White Working Voltage 8.4 V Power Supply 8.4v power supply Current 3.5 A Theoretical Lumens 2000 lumens Actual Lumens 1800 lumens Runtime 4 Hour Number of Modes 4 Mode Arrangement HiMidLowFast Strobe Mode Memory No Switch Type Forward clicky Lens Glass Reflector Aluminum Smooth Flashlight Mounting Handlebar Switch Location Tailcap Beam Range 300 m Bike Lamp Interface Size 3.5MM Battery Pack Interface Size 3.5MM Packing List 1 x Lamp (90cm optical cable) 2 x Rubber rings 1 x 4400mAh 8.4V battery (4x18650 battery pack (37cm)) 1 x Power adapter (100~240V 90cm EU plug)