The Omron E3Z-B62 0.5M Photoelectric Sensor offers Retro-reflective without M.S.R. function for clear, plastic bottles, 500 mm to 2 m Sensing distance, NPN Output, Pre Wired Cable, 0.5M Length, Red LED (660 nm) Light source, 12 to 24 VDC Power supply voltage, Light-ON/Dark-ON mode. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3Z Series.