Color Black + Red Model ZSJ-5VT6 Quantity 1 Piece Material Aluminium alloy Emitter Brand OthersN/A LED Type XM-L Emitter BIN T6 Number of Emitters 1 Color BIN Neutral White Working Voltage 5 V Power Supply 5V battery (not included) Current 2.1 A Theoretical Lumens 900 lumens Actual Lumens 780 lumens Runtime 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 200 m Bike Lamp Interface Size USB Battery Pack Interface Size USB Packing List 1 x Headlamp(line 80cm) 1 x Headband (40cm) 2 x O-rings