The Omron E3RB-DN22 Photoelectric Sensor offers Cylindrical radial, Diffuse-reflective, 300 mm sensing distance, NPN Output, M12 Connector, 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 E3RB Series.