USB Detektor Voltmeter Amperemeter zur genauen Messung der Leistungskapazität
8,04 €
The current sampling is 50 milliohms, and the loss is smaller. USB power can be used to detect the quality of the line. 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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