You can quickly & easily Locate short circuits, open connections, broken wires, current leaks and even trace wires. 【LOCATING BREAKER POINT EFFICIENTLY】Switch the V200 Pro All-In-One vehicle circuit tester Kit to Mode II, you will be able to use the electric wire breaker finder which can easily locate the circuit breaker point, open connections, broken wires, current leaks with tone change, even trace wire/cable without damaging the insulation.