9V-30V DC Car Circuit Tester Electrical System Voltage Test Tool W/Screen & Lamp

【Easy to Operate】 The circuit probe tester is easy to operate, and all operations can be completed with only two buttons. Briefly press the "M" key on the probe tester to switch five test modes. Briefly press the "Lighting" button on the probe tester to turn on or off the light beside the probe.

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