Opto-sensor, reflective light barrier with polarization filter, operating voltage 10.30 VDC, max. range 2000 mm, connector, M12 x 1, 4-pin, protection class IP67/IP69K, ambient temperature: -40.+70° C, optionally light/dark switching or light switching with alarm function, operating voltage: 10.30 VDC, PNP switching output, changeover contact