Omron Retro-reflective Photoelectric Sensor 6 m, 100 mm Detection Range Relay IP64 Block Style E3JK-RR12 2M. Electrical Connection: Cable. Maximum AC Voltage: 240V. Maximum DC Voltage: 240V. Optical Technology: LED. Terminal Type: Wire Lead. Light Source: Red LED. Response Time: 20 ms. Housing Material: ABS. Minimum Operating Temperature: -25°C.