Sick Retroreflective Photoelectric Sensor Block Sensor, 100 mm → 15 m Detection Range, Output Type: PNP, Electrical Connection: M12 4 Pin Connector, Maximum DC Voltage: 30V, Light Source: LED, IP Rating: IP67, Maximum Current: 100 mA, Response Time: <500 μs, Housing Material: ABS, Maximum Operating Temperature: +55°C, Minimum Operating Temperature: -25°C, Mounting Type: Panel Mount, Series: W250-2, MPN: WL250-2P2431