The Omron E3Z-G61 5M Photoelectric Sensor offers Through beam, 25 mm Sensing distance, NPN Output, Pre Wired Cable, 5m Length, Infrared LED (940 nm) Light source, 12 to 24 VDC Power supply voltage, Light-ON/Dark-ON selectable mode. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3Z Series.