FIND ELECTRICAL FAULTS IN SECONDS Say goodbye to complicated multimeters This circuit tester quickly pinpoints short circuits bad grounds and broken wires with clear LED lights and buzzer alarm saving you hours of diagnostic time DIGITAL VOLTAGE READOUT POLARITY CHECK Features a clear LCD screen to display exact voltage 224V and RedGreen LEDs for instant positivenegative polarity identification Ensure correct connections every time ACTIVATE COMPONENTS TEST CONTINUITY Safely power up fuel pumps lights solenoids and motors directly from the probe The included auxiliary ground lead makes continuity testing a breeze BUILTIN SAFEGUARDS FOR PEACE OF MIND Equipped with overload protection 8A and an automatic circuit breaker to prevent damage to your vehicles ECU or the tester itself even if you accidentally short it EVERYTHING YOU NEED IN ONE KIT Includes a long 5meter 164 ft heavyduty cable strong alligator clips a sharp probing tip and an auxiliary ground lead Ready to use right out of the box