1、Widely Used: The complete kit transforms the test and measurement equipment into a powerful vehicle diagnostic tool, which is applicable to 12V and 24V vehicles, RVs, trucks, ships, etc., and can also be used in laboratories, homes and industries. 2、Strong Compatibility: The automatic circuit tester tool kit contains 92 common leads and connectors, which can be used with any multimeter and oscilloscope probe extension line to make testing and inspection more convenient. 3、Multifunction: Test lead kit is used to diagnose, test and repair complex vehicle circuits. It can also troubleshoot sensors, actuators and electronic circuits. It can be used to monitor Hall effect, photoelectric signal, nozzle, solenoid valve group to transmit control signals of speed change and various wires. 4、Stroboscope and Potentiometer: LED stroboscope is used to test the voltage and grounding signals of Hall sensor, fuel injector, solenoid valve, etc. 5KQ potentiometer (variable resistor) is used for engine cooling system, oil sensor, temperature tester and other components. 5、Efficient: The test lead kit can accurately and quickly detect vehicle problems. When you need to check the parts, you can directly connect to the back of the terminal to avoid damaging the circuit. If you need to check the current, you don't need to cut off the wire, just connect the wire to the circuit.