Omron E3JK-RR12 2M is a retro-reflective photoelectric sensor with MSR (mirror surface rejection), a sensing distance of up to 6 m with the E39-R1 reflector or 10 m with the E39-R2, SPDT relay output and a wide 24–240 VAC/DC power supply. The MSR function prevents shiny or glossy objects from being mistaken for the reflector, and the sensor runs directly on AC or DC without a separate power supply. A version supplied with a reflector and bracket is available as the E3JK-RR12-C 2M. It is part of the Omron E3JK Series. Explore more Omron photoelectric sensors.