1PC NEW Photoelectric sensor Infrared beam counting sensor module width 9mm #YT

1PCS IR Infrared Slotted Optical Speed Measuring Sensor Smart Car Wheel Counting

1PCS Infrared beam counting sensor beam photoelectric sensor slot optocoupler#YT

1 PC NEU 15MM slot wide photoelectric beam counting sensor infrared counting #YT

1PCS NEW HJ-IR2 infrared obstacle avoidance module photoelectric switch #YT

1PCS Wide slot 15MM wide slot optical beam counter sensor Infrared sensor #YT

2PC Wide slot 15MM slot width photoelectric beam counting sensor module #TT

1PCS Infrared sensing proximity switch photoelectric sensor sensing module #YT