MIOLOE Automotive Circuit Test, 3.5-36V DC Car Circuit Tester with LCD Digital Light Fuse Tester Short Circuit Finder Multifunctional Electrical Test Pen for Car, Truck, SUV, Motorcycle (Blue)

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【Multifunctional Circuit Tester】:Automotive electrical system diagnostic tool supports component activation, voltage testing, diode testing, continuity testing, ground testing, short circuit tracing and positive and negative polarity testing. With its wide range of functions, precise diagnostic modes and efficient electrical system, it is an indispensable tool for car owners or professional mechanics. 【Clear LCD Display】: The test light has a high definition LCD screen that provides clear and easy to read data. The backlit display ensures visibility in a variety of test environments. In addition, the built-in light meets the need to work in the dark and is easy to use during nighttime maintenance or as a light. 【LED Indicator】: Equipped with an LED indicator, positive and negative polarity can be quickly and easily identified. The red LED lights up when the probe detects positive polarity or performs a positive activation. Similarly, the green LED lights up when negative polarity or reverse activation is detected. 【Easy To Use】: The automotive electrical tester is designed with high quality ABS housing for durability. The high quality metal pen is corrosion resistant and has excellent conductivity. Simply attach the clip to the car battery and you'll have instant access to a hot lead or ground wire. Use the probe tip together with the ground wire to power the component in your hand. Quickly checks component continuity, identifies positive, negative and open circuits, and looks for short circuits. 【Wide Compatibility】: The automotive circuit tester can be widely used for continuity testing, voltage polarity testing, light checking, motor checking, tracing and identifying short circuits and testing for ground faults. Suitable for testing all 3.5V-36V electrical systems including cars, trucks, SUVs, motorcycles, construction vehicles and boats. It can be directly connected to the car battery power supply.