Capacitive Sensor, M12 X 1, Metal Thread, Sensing Range: 4 Mm, Flush Mountable, 3-Wire, Dc Pnp, Operating Voltage: 10...36 V Dc, Current Consumption: 12 Ma, Normally Open, Quick Disconnect, M12 Connector, Increased Immunity To Conducted Radio Frequency Interference, For Position Detection Of Dry Bulk Materials And Liquids, Housing Material: Stainless Steel 316 L/1.4404 Peek (Polyether Ether Ketone).