0.28" LED Voltmeter Ammeter, DC 100V 10A Amp Voltage Current Volt Amp Meter Tester, Red and Blue Dual Digital Panel electronics_July2024_update With strict quality control and

With strict quality control and endurance test

and blue-red light flashing alternately

Warm Reminder (2): You'll get 1 roll of adhesive tape

For my own experience

10 times faster than USB2

0.28" LED Voltmeter Ammeter, DC 100V 10A Amp Voltage Current Volt Amp Meter Tester, Red and Blue Dual Digital Panel electronics_July2024_update With strict quality control and0. 28" LED Voltmeter Ammeter, DC 100V 10A Amp Voltage Current Volt Amp Meter Tester, Red and Blue Dual Digital Panel Features: If the current shows 0, please check the wiring carefully. Inaccurate current display: If the direct or independent power supply shares the same ground with the equipment power supply, just disconnect the thin black wire. All AC rectified electricity must be connected to an electrolytic capacitor above 1000uF for filtering