Opto-sensor, laser reflection light barrier with polarization filter, operating voltage 10.30 VDC, max. range 10000 mm, connector, 8 mm, 4-pin, protection class IP67, LED visible all around, sensitivity adjustment via potentiometer, microprism reflector BRT-51X51BM for ranges up to 10m and self-adhesive reflector film BRT-TVHG-2X2 for ranges up to 1.5m recommended and included in delivery, operating voltage: 10.30 VDC, NPN switching output, changeover contact