GODIAG GT101 4-in-1 DC 6-40V Circuit Tester Power Probe Relay Tester and Fuel Injector Cleaner with LED Display

GODIAG GT101 PIRT Power Probe is a multi-use circuit-tester with built-in diagnostic power. It is the best electrical tester for reducing diagnostic time in all 6- to 40-volt vehicle electrical systems. Undoubtedly it is the most versatile and practical tool ever for its users.

*Above description direct from the manufacturer