For use with MFi mPort hardware and MFi Controller software. It is included with the MFi import. These sensors connect to the port using a standard RJ45 cable, except for the mFi-DS, which connects using a terminal block connector. Current sensor (MFI-CS) is a clip-on, alternating current (AC) sensor. It is designed for current monitoring of motors, lighting equipment, Industrial hardware or other AC electrical loads.