YOJOCK USB C Tester Power Meter 4-30V 0-6.5A Voltage and Current Tester Meter, USB Capacity, Temperature, Working Time Ammeter Voltmeter Power Bank Charger Detector (Upgraded Version)

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  • Button Function 1.Click the button once to switch screens in a cyclical manner; 2.Double-click the button to rotate the displayed content; 3.Press and hold the button (3 seconds) Clear all capacity, amount of electricity, and time.
  • Note The button of this usb tester will make a sound when it is shaken, which is not a product defect. This is an adjustment to be made to quickly double-click the button, which is a normal situation.

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