Color custom10000 Brand Others Quantity 1 Piece Material Plastic + electronic LED Type OthersLED Emitter BIN LED Color BIN White Number of Emitters 3 Input Voltage 3 V Battery No batteries are required; Powered by USB. Battery included or not No Current 3.7 mA Theoretical Lumens 500 lumens Actual Lumens 100 lumens Runtime 8~10 Hour Number of Modes 4 Mode Arrangement HiLowSlow StrobeFast Strobe Mode Memory No Switch Type Clicky Switch Switch Location Head Beam Range 30 m Strap/Clip Clip included Application Seat PostHandle Bar Holder Diameter 6 cm Waterproof Yes Packing List 1 x Bike light 1 x USB cable (21cm) 1 x Elastic fixing band