Keyence PR-G51CBD Photoelectric Sensor transmitter & receiver (see description)

Keyence PZ-M12 Square Reflective Photoelectric Sensor M8 Connector 4-pin

Keyence PZ-G51CBR Photoelectric Sensor Receiver M12 4-Pin Free Ship

Keyence PR-G51CP Thrubeam Photoelectric Sensor M8 4-Pin Connector Used See Pics

Keyence PZ-G51CBT Thrubeam Photoelectric Sensor Transmitter, M12 4-Pin

Keyence PR-G51CP T&R Thrubeam Photoelectric Sensor M8 4-Pin Connector

KEYENCE PHOTOELECTRIC SENSOR Switch 12-24 VDC 4 PIN Connector Type M12 PZ-V73P

KEYENCE PR-G51CP PHOTOELECTRIC SENSOR