VT18-8-H-120M/40a/65b/118/128 Pepperl+Fuchs

V18 Series M18 Cylindrical Photoelectric Sensors - Visible red, diffused (electronic background suppression), 18mm cylindrical, mechanical L.O./ D.O., V1 quick disconnect, 10-30VDC, 4-in-1 output, Sn=120mm.