Pepperl + Fuchs Diffuse Photoelectric Sensor Block Sensor, 20 mm → 2 m Detection Range, Output Type: PUSH/PULL, Electrical Connection: M12 4 Pin Connector, Maximum DC Voltage: 30V, Light Source: LED, IP Rating: IP65, Maximum Current: 100 mA, Response Time: 4 ms, Housing Material: ABS, Maximum Operating Temperature: +60°C, Minimum Operating Temperature: -25°C, MPN: RL29-8-2000/73C/136