5 Piece For IR Break Beam Sensor Module Compatible with Popular Controllers

NJK-5002C Hall Effect Proximity Magnet Sensor Barrel NPN NO 3-Wire 12V - 24VDC

IR Break Beam Sensor Counting Module Compact Design Obstacle Detection

5 Pack Infrared Break Beam Sensor with LED Photoelectric Switch 5MM for Arduino

5pcs For IR Break Beam Sensor Module with Simple WFor IRing for Arduino

IR Break Beam Sensor Counting Module For Security Systems Obstacle Detection

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

4 Pair IR Break Beam Sensor Module with Built-in Voltage Regulation 5V