Cylindrical Photoelectric Sensor Sensing Method - Cylindrical Photoelectric Sensor Retroreflective Operating Mode - Photoelectric Sensor Selectable Light On/Dark On Diameter - Cylindrical Photoelectric Sensor 18 mm Power Requirement - Cylindrical Photoelectric Sensor 5 to 30V DC Electrical Connection - Cylindrical Photoelectric Sensor 4-Pin M12 Male Connector Circuit Type - Cylindrical Photoelectric Sensor NPN Max Sensing Distance - Cylindrical Photoelectric Sensor 500 mm