Color Black + Red Model Lr-K1E-1R Quantity 1 Set Material Aluminium alloy Emitter Brand OthersN/A LED Type XM-L Emitter BIN T6 Number of Emitters 1 Color BIN Neutral White Working Voltage 3.7-8.4 V Power Supply 3.7v-8.4v power supply Current 2.5 A Theoretical Lumens 900 lumens Actual Lumens 810 lumens Runtime 4 Hour Number of Modes 6 Mode Arrangement HiMidLowSlow StrobeFast StrobeSOS Mode Memory No Switch Type Forward clicky Lens Glass Reflector Aluminum Smooth Flashlight Mounting Handlebar and Helmet Switch Location Tailcap Beam Range 300 m Bike Lamp Interface Size 3.5MM+USB Battery Pack Interface Size USB Packing List 1 x Bike light 1 x USB power cable (60cm)