3Pcs 0.28" Digital Voltmeter Ammeter Voltage Current Tester DC 100V 10A 3 Bit LED Display Panel

Digital Voltmeter Ammeter 0.28" DC 100V 10A Dual LED Display Blue and Red 10A Voltage and Current Tester with 3-Bit Blue and Red Dual LED Display UNIQUE CALIBRATION Unlike other cheap voltmeters on the market ours have a voltage and current calibration potentiometer This brings better accuracy and convenience to your DIY work Operating voltage DC 4 30 V Measuring voltage DC 0 100 V Minimum Resolution V 0.1 V Operating Current 20mA Minimum Resolution A 0.01A Measuring Current 10A