Treadmill Light Sensor 4Pin Speed Sensor Universal Replacement Parts Tachometer

This universal treadmill light sensor is a practical replacement part for fixing speed detection problems. With a 4-pin connector, it is compatible with most mainstream treadmill models and can replace an aging or damaged original sensor to restore speed measurement and display functions. The light sensor tachometer uses photoelectric sensing technology to accurately capture belt speed changes and transmit stable signals in real time, helping you maintain a precise and safe training pace. The wear-resistant housing and anti-interference internal components make it suitable for long-term, high-frequency use. Installation is simple and convenient with a 4-pin plug-and-play design that requires no complex wiring or professional tools. Whether your treadmill has speed failure, incorrect display, or needs routine maintenance, this speed sensor offers a cost-effective repair solution and helps extend the life of your equipment.