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

10 PCS TCRT5000 IR Photoelectric Sensor 3.3-5V Obstacle Avoidance Module

3MM For IR Break Beam Sensor Module With Through Beam Photoelectric Switch

4 Pairs IR Break Beam Sensor 3MM LEDs Counting Module Photoelectric Switch New

3MM For IR Break Beam Sensor Module With Through Beam Photoelectric Switch

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

4 Pairs IR Break Beam Sensor 3MM LEDs Counting Module Photoelectric Switch