External Speed Sensor Hall Magnetic Head for Electric Bike Scooter Controller

Features: External speed sensor hall for controller of electric bike, scooter and so on.The magnetic head is made of quality material, anti rust, corrosion resistant, durable.Easy to install, just clip the magnetic head to the spoke, and when wheel runs the magnetic head would work to transfer signal to sensor.It is used to provide sampling signal for LCD LED display of electric bike, so that display can test bike speed. Nice accessory for DIY your own electric bike or scooter. . Specification: Material: Plastic Color: Black Cable Length: Approx. 186cm 73.22inch Magnetic Head Size: Approx. 1.6 x 1.2cm 0.63 x 0.47inch Weight: Approx. 48g Package Included: 1 x External Speed Sensor 1 x Magnetic Sensor Note: Yellow cord is for GND, red for +5V power, blue for Hall signal.