Sick Retroreflective Photoelectric Sensor Block Sensor, 0 → 4 m Detection Range, Output Type: PNP, Electrical Connection: 3 Wire Cable 2 m, Maximum DC Voltage: 30V, Light Source: LED, IP Rating: IP67, Maximum Current: 100 mA, Response Time: <250 μs, Housing Material: ABS, Maximum Operating Temperature: +55°C, Minimum Operating Temperature: -25°C, Mounting Type: Panel Mount, MPN: WL8-P1131