9~30V P180 Car Circuit Diagnostic Tester Vehicle Electrical Systems Probe Kit
And P180 electrical circuit tester is built-in circuit breaker protection for the user and vehicle's safety. The working principle of is - the circuit breaker will trip if overload. Equipped with dual LED lights on the top of TopDiag P180 automotive electrical tester, it can light up the dark working area and help users make diagnoses even in the dark.