เซนเซอร์ความเร็ว 3 Pin / 4 Pin treadmill สำหรับ treadmill

Universal Treadmill Light Sensor Tachometer Speed Sensor 3Pin 4Pin for Treadmill Accessories Repair Parts Features:  Brand new and premium quality  It measure the velocity by the principles of optics Specifications:  2 types: 3Pin, 4Pin  Condition: new  Compatible with: most treadmill Packing includes: 1 x 3Pin speed sensor (PC) OR 1 x 4Pin speed sensor (PC)