The Omron E3FA-RN12 2M Photoelectric Sensor offers Cylindrical axial, Retro-reflective, 0 to 500 mm with E39-R1S sensing distance, NPN Output, Pre Wired Cable, 2M Length, Red LED Light source, 10 to 30 VDC Power supply voltage, Light-ON/Dark-ON mode. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3FA Series.