🔌 CMTOOL Circuit Tester Automotive Test Light: 12V 24V Power Circuit Probe Kit for Car Electric Testing, AC DC Voltage Measurement, Fuel Injector Multimeter, Short Finder & Relay Tester Automotive Kit Review

【Intelligent and Multifunctional Electrical Tester】The main functions include voltage, resistance, positive and negative smart test, Multimeter mode (voltage, resistance, diode, open and short circuit, current and frequency), Oscilloscope mode, Relay test, Injector test, Component activation, Check for bad ground contacts, Follow and locate short circuits, etc. This power circuit probe tester kit is really great for troubleshooting all sorts of automotive electrical/electronic problems. 【Convenient, Fast and Upgraded Electrical Tester】This is the latest generation of an intelligent electrical system circuit tester. System online upgrade, Support 14 languages, Self-check function, Circuit breaker protection, Buzzer prompt, 6m/20ft extension test line, No battery, 0-5V power supply, Front LED light, 2.4-inch TFT LCD Screen, Humanized hook, Five-key control, 9-grid interface design, etc. Use this power circuit probe kit to help you efficiently diagnose automotive circuit problems. 【Professional Circuit Tester for All 9-30V Electrical Systems】This latest generation of circuit breaker finder has many ways to not only read the unit and diagnose electrical issues but can also inject different frequencies and signals to determine and troubleshoot any problem areas. This upgraded Power Circuit Probe Tester Kit is dedicated to testing all 9-30V vehicle electrical systems, including cars, off-road vehicles, motorcycles, trailers, trucks, boats, ATVs, RVs, excavators, etc. 【Oscilloscope Mode & Fuel Injector Test & Relay Test】The oscilloscope mode of the circuit tester can display the voltage, frequency, time and other parameter curves of the component under test. The power circuit probe kit provides 4 kinds of pulse signals to better detect the condition of the fuel injector. It also can be worked with any fuel pressure tester. This power circuit probe tester kit can quickly detect whether common relays are normal, such as 5-terminal relay and 4-terminal relay. 【Self-check Function&Circuit Breaker Protection&Buzzer Prompt】Before using the automotive circuit tester, the quick self-check function of the probe can ensure that the tester is in good condition. The circuit breaker protection can protect the tool and your components from overload. The electric circuit tester is also equipped with a voltage setting prompt. If a short circuit or fault causes the output voltage to be greater than or less than the set value of 0.1V, the device will beep.