Car Test Lamp with 3-48 V LED Digital Voltage Display, Car Circuit Tester with Voltmeter and Two-Tone Polarity Display, Electric Test Pen Including

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A very simple tool that picks up on voltage quite easily. The length of the wire is well sized for most cases. My only complaint is that the rubber warp on the handles of the ground prong managed to work their way off rather quickly, but that didn't affect the functionality of the tool. Definitely worth the price point and has helped me diagnose many automotive electrical problems.

Great basic tester just to check for voltage, works great to tell you the voltage of a battery (even 9V batteries) , will read out voltage of a car battery standing or running, helps determian if battery or the alternator is not good .

Not only check continuity but also determine the automotive line voltage. East to read, simple, and neat