Key features

• •MAIN FUNCTIONS: Testing for voltage, polarity, continuity, signal circuit, trailer lights & connections, following & locating short circuits, checking for bad ground contacts, activating components, etc. The automotive short circuit finder can work on all 6-30V vehicle electrical systems.
• •4 WORKING MODES: MR CARTOOL 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 automotive circuit breaker finder has a cable length of up to 10 metres, allowing you to test along the entire length of your vehicle without having to constantly search for a suitable vehicle floor. Comes with a carry case with a 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 headlights will be on to illuminate the test area of the probe tip.
• •SAFETY PROTECTION: The circuit test 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 a 24-month free warranty. No need to pay extra for warranty service, saving you a lot of money!