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

5 Pack For IR Break Beam Sensor 5MM LED Photoelectric Switch for Fast 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

5 Pack For IR Break Beam Sensor 5MM LED Module for Real Time Motion Detection

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

IR Beam Sensor Module 4 Pair Set Compact Design for Tight Space Installation