Material: This treadmill speed sensors line is made of plastic, ensuring durability and long term use.Compatibility: The product includes a 3Pin light speed sensors line or a 2Pin magnetic speed sensors line(OPTIONAL), making it suitable for various treadmill models.Functionality: It serves as an essential part of the treadmill that helps in accurately measuring the speed while running or walking on the machine.Easy Installation: The treadmill accessory is easy to install, making it convenient for users to replace their old or damaged parts without professional help.Reliable Performance: With its sensitivity and precision, this treadmill speed sensors line ensures reliable performance for your workout sessions.Size Chart:3Pin light speed sensor: 31cm/12.20inchPackage Includes:3Pin treadmills light speed sensorNote:Please allow slightly errors due to manual measurement and different monitors.Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store