MR CARTOOL 12V 24V Automotive Circuit Tester Test Light Electrical System Diagnostic Tool

MAIN FUNCTIONS: Testing for voltage, polarity, continuity, signal circuit, trailer lights & connections, following & locating short circuits, checking for bad ground contacts, activating components, etc. It can work on all 6-30V vehicle electrical systems.

4 WORKING MODES: Circuit probe tester B530 has 4 modes for diagnosing electrical systems: DC voltage, AC voltage, resistance and diode parameters. The newly upgraded navigation menu allows very clear reading and can be easily used even without manuals.

33FT CABLE: The cable length up to 10m allows you to test along the entire length of the vehicle without constantly searching for suitable vehicle grounds. Comes with a carry case with handle to store the tool whenever. 2 TYPES POWER SUPPLY: The circuit tester is powered via the vehicle battery or cigarette lighter, No Need for additional batteries or wiring.

When the tool is first connected to a battery, it will sound a beep and the head lights will be on to illuminate the test area of the probe tip. SAFETY PROTECTION: The tool is short-circuit protected, its internal circuit breaker will trip if it becomes overloaded. The quick self-test is a must before starting to test a circuit or component, to ensure that your tool is in good.

MR CARTOOL offers 24-month free warranty. No need to pay extra for warranty service, saving you a lot of money!