Quick detail information about the sensor :
Series : M18 Long Range Inductive proximity sensor
Size : M18*1*55mm
Housing Material : Brass nickel plated
Mounting : shielded/Non-shielded
Sensing Distance Sn(mm): 8mm/12mm/16mm/20mm
Operating Voltage : DC 10-30V
Output function : NPN/PNP NO/NC/NO+NC
Protection Category : IP67
connection : 2M PVC cable