The EFECTOR KB-3020-BPKG/NI-KB5004 is a capacitive proximity sensor with cylindrical design, featuring a detection range of 3-20 mm. It operates at 10-36 VDC with PNP output configuration in normally open mode, capable of handling 250 mA current. The sensor has a switching frequency of 40 Hz, comes with 3-wire connection and 2-meter cable length, and provides IP65 protection rating.