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

4 Pairs Infrared Break Beam Photoelectric Switch 3mm LED Emitter Receiver

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

4 Pairs IR Beam Sensor Module with 3mm LEDs for Automation and Security

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

4 Pairs IR Beam Sensor Module with 3mm LEDs for Automation and Security

For IR Break Beam Sensor 3MM Module ThroughBeam Photoelectric Switch DC 5V