Opto-sensor, one-way light barrier (receiver), operating voltage 24,250 VAC / 12,250 VDC, max. range 60000 mm, cable length 2 m, cable, PVC, 2 m, protection class IP67, sensitivity adjustable via potentiometer, operating voltage: 12,250 VDC or 24,250 VAC, relay output, normally open (SPST), light or dark switching adjustable via selector switch