- Connect and Go. It provides a quick reading to determine if a vehicle battery needs a jump or replacing and also the alternator output status. Various Colored LEDs indicate the battery or the alternator status.
Reverse-hookup and Over-voltage protection, making it safe and simple to use. The Digital Voltmeter Testing Range: 4-20V DC. 【If the voltage is under 4volts, the screen will display - LO ; Above 20volts, the screen will display - HI
With a Four-character lighted digital display, the voltage testing accuracy will be close to 0.01volt. 【NOTE: Verify the counterfeit with only 3-character display. The accuracy is only 1/10 of ours.

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