Opto-sensor, reflective light barrier with polarization filter, operating voltage 10.30 VDC, max. range 1500 mm, connector, M12 x 1, 4-pin, protection class IP67 / IP68, metal housing, LED visible from all sides, display too low function reserve, sensitivity adjustable via potentiometer, operating voltage: 10.30 VDC, NPN switching output, changeover contact