USB Current Voltage Timing Power Capacity Tester LCD Display Detector DC 4V-30V
ab 4,86 €
Press the normal pressure button for 3 seconds to clear all the data saved in timing, watt hour, milliampere hour, etc. After the power is off, only the data used after 30 seconds can be recorded, and the data within 30 seconds cannot be saved after the power is off.
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