Feature:1. Easy installation and removal, practical.2. Made of high quality materials, strong, stable, durable.3. Suitable for all electric bikes.4. Professional manufacturing, stable performance and high reliability.5. Fine workmanship, provide good usage experience.Specification:Condition: 100% brand newItem type: Electric Bicycle Assist SensorMaterial: plasticColor: As picture shownCable length: Approx. 1.1m/3.6ftWeight: Approx. 33g The integrated assist sensor is installed on the right side of the bottom bracket by default, with a 12 pulse high low signal ratio of 6:4. The chip screens and recognizes the pulse signal to determine the direction of rotation. The forward direction is valid, and the reverse direction is invalid.Line color definition of 12 magnetic double for Hall integrated power sensor:1. Green pulse signal2. Red+5V3. Black GNDPackage List:1 xElectric Bicycle Assist Sensor