Exercise equipment reed switch - universal treadmill pedometer sensor Material: This treadmill speed sensors line is made of plastic, ensuring durability and long term use.<br> 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.<br> Functionality: It serves as an essential part of the treadmill that helps in accurately measuring the speed while running or walking on the machine.<br> Easy Installation: The treadmill accessory is easy to install, making it convenient for users to replace their old or damaged parts without professional help.<br> Reliable Performance: With its sensitivity and precision, this treadmill speed sensors line ensures reliable performance for your workout sessions.<br> Size Chart:<br> 3Pin light speed sensor: 31cm/12.20inch<br> Package Includes:<br> 3Pin treadmills light speed sensor<br> Note:<br> Please allow slightly errors due to manual measurement and different monitors.