Carlo Gavazzi CA12CAN08BPM1IO Proximity Sensors Capacitive Proximity Sensor, Non-flush mountable, Sensing range 8mm, Power Supply 10-40 VDC, PNP/NPN Output, N.O./N.C., IO-Link, M12 Connector, Housing M12x80mm, PBT, Operating Temperature -40 to 85C, 4th Generation Tripleshield, IP68