Function: Connect the plug to the controller with speed measurement function, when the wheel rotates once, the magnet will generate a pulse signal to the controller, and the speed has been calculated by the number of times per minute and displayed on the display. Simple to use: Just attach the magnetic head to the spoke, and when the wheel is working, the magnetic head would work to transfer the signal to the sensor. Durability: The magnetic head is made of quality material, anti-rust, corrosion-resistant, and durable. Application: External speed sensor hall for controller of electric bike, scooter and so on. Package: Contains 1pc speed sensor, 1pc spoke magnet and 4pcs cable ties. Dimensions: Length of cable is 200cm, and size of magnetic head is .
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