This sensor is universal, compatible with all brand of tredmill with the same appearance, as long as the connector same. Replace the sensor to make the running machine work properly and measure the speed accurately. When the motor of running machine stop and appear error codes after the treadmill motor starts for a few seconds, that means the sensor is faulty. Specification: material: plastic Size Chart: 20cm/7.87inch 40cm/15.75inch 60cm/23.62inch 80cm/31.50inch 100cm/39.37inch Package Includes: 1treadmills speed sensor line Note: Please allow slightly errors due to manual measurement and different monitors.