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4PCS IR Break Beam Sensor, 5MM LEDs Counting Module Split Through-Beam Photoe...

IR Break Beam Sensor 5MM LEDs Counting Module Split Through-Beam Photoelectric S

4PCS IR Break Beam Sensor 5MM LEDs Counting Module Split Through-Beam Photoel...

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