Feature:Simple Mechanical Structure And Easy Installation.Smart Robot Car With Code Disc And Ideal For Diy.Using For Distance And Speed Measurement Due To The Tachometer Encoder With The Car.Realizing Functions Of Tracing, Obstacle Avoidance, Distance Testing, Speed Testing, Wireless Remote Control When Used With Other Devices.Note:This Car Is The Tachometer Encoder.Come With A 4 Aa Battery Box (Batteries Not Included).The Car Chassis Is Transparent; You Need To Tear Out Protective Paper.Package Included:1 X Car Chassis2 X Gear Motor2 X Car Tire2 X Speed Encoder4 X Fastener1 X Universal Wheel1 X Battery Box(Batteries Not Included)All Necessary Screw And Nut.
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