FNB38 Ammeter Voltmeter USB Tester QC4+ PD3.0 2.0 PPS Fast Charging Protocol Capacity Test ,Live Data

USB 2.0 interface, 1.44 inch TFT LCD high definition display with integrated USB-A, Type-C interfaces, use external 16-bit ADC, PD protocol physical chip. Drive-free PC upgrade, PD E-Marker read, fast charge recognition, fast charge deception. PD protocol monitoring, PD protocol conversion, precision measurement. Data storage, intelligent recording of energy capacity detection. One screen display, multiple interfaces compatible.