4 Pack IR Break Beam Sensor Module 3mm LED Pair Set for Object Detection

4 Pairs IR Break Beam Sensor 3mm LED Counting Module Photoelectric Switch

IR Break Beam Sensor Module 4 Sets 3mm LEDs 25cm Detection Distance DC5V

DC5V IR Break Beam Sensor Module 4 Pairs 25cm Detection for Microcontroller

4 Pack IR Break Beam Sensor Module 3mm LED Pair Set for Object Detection

IR Photoelectric Sensor Module 4 Sets 3mm LEDs Firing Distance 25cm DC5V

IR Break Beam Sensor Module 4 Sets 3mm LEDs 25cm Detection Distance DC5V

IR Break Beam Switch Module 4 Pairs 25cm Range for Door Opener or Alarm