Carlo Gavazzi Through Beam Photoelectric Sensor Miniature Sensor, 20 m Detection Range, Electrical Connection: M12 4 Pin Connector, Maximum DC Voltage: 30V, Terminal Type: M12 Connector, IP Rating: IP67, IP69K, Maximum Current: 25 mA, Response Time: <1 ms, Housing Material: ABS, Maximum Operating Temperature: +60°C, Minimum Operating Temperature: -25°C, Series: PH18, MPN: PH18CNT20M1