USB Tester Voltmeter Ammeter with Overvoltage and Overcurrent Protection
11,89 €
Current: 0-3A (overcurrent protection can be set arbitrarily). USB power can be used to detect the quality of the line. Supported connector: USB. Over-current protection and over-current protection: When the screen displays 0.00A, press and hold the button for about 3 seconds, there will be a flashing number.
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