AT34 USB 3.0 Voltmeter Amperemeter Spannungsstromzähler Ladepowerbank Tester
ab 14,56 €
USB 3.0 Full-Color LCD Display Tester. The button is located on back of the tester. There are 2 kinds operation, long press and short press. Long press is to realize switch of system setting. 15：D-: (DM), data negative signal level.
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