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 IR Break Beam Sensor Module with 3mm LED Transmitter Receiver Unit

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

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

5PCS For IR Break Beam Sensor Module 35mm for Electronic Automation Relay

For IR Break Beam Sensor Module 3MM Through Beam Photoelectric Switch for Relay

5Pcs For IR Break Beam Sensor LEDs Counting Module Split Distance Sensor / New