3pin/4pin Treadmill Optical Sensor Treadmill Tachometer Optical Speed Sensor Running Machine Light Sensor for General use
4pin Treadmill Light Sensor Treadmill Tachometer Optical Speed Sensor Running Machine Light Speed Sensor for Many Brand
Treadmill speed sensor treadmill magnetic sensor with 2 pin connector
Treadmill speed sensor treadmill Optical sensor with 3 pin 4 pin connector