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

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

IR Break Beam Sensor Set 4 Pairs 5V DC Photoelectric Switch for DIY Projects

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

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