Schneider Electric,PHOTOELECTRIC SENSOR CYLINDRICAL M18,-25...55 °C,0.8 m diffuse,1 NC,NPN,12...24 V DC with reverse polarity protection,DC,IP67 double insulation conforming to IEC 60529-IP69K double insulation conforming to DIN 40050-IP65 double insulation conforming to IEC 60529,nickel plated brass,PMMA,cylindrical M18,diffuse,general purpose single mode,metal