Carlo Gavazzi CA18CAF08BPA2IO Manufacturer description: Capacitive Proximity Sensor, Flush mountable, Sensing Range 8mm, Adjustable 2-10mm, Power Supply 10-40VDC, NPN/PNP Output, N.O./N.C., IO-Link, Cable PVC, Housing M18 x 70mm, 4th Generation Tripleshield, Improved EMC performances, ECOLAB, IP67 IP69K. M18 Capacitive transmitter with IO link communication. Fast cable. Programmable function NPN/PNP, NO/NC etc.