Features1Easy installation and removal, practical. 2Made of high quality materials, strong, stable, durable. 3Suitable for all electric bikes. 4Professional manufacturing, stable performance and high reliability. 5Fine workmanship, provide good usage experience.SpecificationItem type:ElectricBicycleAssistSensorMaterial: plasticColor: As picture shownCable length: Approx. 1.1m/3.6ftWeight: Approx. 33gThe 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 List1 xElectricBicycleAssistSensor