The faithfull multi tester is more than just a conventional voltage tester the built in battery powered sensor allows the multi tester to perform a number of different functions without the need to dismantle a suspected faulty item or have any contact with live parts the multi tester is fully insulated and is supplied complete with full operating instructions and will perform the following tests continuitybulbs fuses short circuits cable tracking mains sockets and microwave oven leakage safety n