3 in 1 QC2.0 3.0 4-20V Electrical Power USB Capacity Voltage Tester Current Meter Monitor Voltmeter Ammeter-Blue

3 in1 Description QC2 0 3 0Measuring range 4 20V V Input voltage 4 20V V Output voltage 4 20V V Ambient temperature 10 60 °C Voltage measurement error 1 Shell color Blue Easy to use The IN input connects to the output port of the chargerReset clear key press 3 5 seconds to clear the screenOUT output connected to the USB port of the data cableInput voltage display window 4 20V accuracy 1 Charge current display window 0 3A accuracy 1 Battery capacity display window 0 99999mAh Working hours display window 0 99H unit minutesWorking time and space display memory function after power offPackage included 1 x Electrical Power USB Capacity Voltage Tester