Sick Retroreflective Photoelectric Sensor Block Sensor, 10 mm → 7.2 m Detection Range, Output Type: PNP, Electrical Connection: M8 4 Pin Connector, Maximum DC Voltage: 30V, Terminal Type: M8 Connector, Light Source: LED, IP Rating: IP67, Maximum Current: 30 mA, Response Time: <500 μs, Housing Material: ABS, PC, POM, Maximum Operating Temperature: +55°C, Minimum Operating Temperature: -25°C, Mounting Type: Panel Mount, MPN: WL100-2P4439