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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!