Product FeatureMultifunctional Tool: Support quick charger recognition; data wire resistance value testing; QC2.0/QC3.0, Voltage/Current/Power Detection; data store; cable impedance measurement. Automatically recognize QC multiple protocols such as PD QC2.0 QC3.0/4.0 MTK. Allows you to check the charging performance of the output wall/car/solar panel chargers and USB charging cables. It can be also used to find the highest current of the Wireless Charger, and test capacity and electric energy of power bank.Applications: Widely used in the quality inspection of digital devices with Micro USB and Type C peripheral. Great for testing and getting real draw ratings on various chargers and equipment, such as PC/Laptop/Desktop Computer/Mobile Phone/Power Bank/Charger/Discharge Load/Car Charger/Cable. With this tester, you can see clearly what was happening when charging various USB devices, ranging from iPhones, to Tablets and batteries.Bright Color Display Interface: 1. Measurement Main Interface 2. Quick Charge Identification Interface 3. Data Recording Interface 4. Wire Group Impedance Measurement Interface 5. Voltage Graphing Interface 6. Current Graphing Interface 7. Settings Interface. Voltage measuring range 4.5-24V; current measuring range 0-3A.Design: 1.44' LCD display with screen display rotating function design; 4 operating buttons and 5 connected ports. Plug robust coating with the gold-plated USB contacts can resist scratch, stain and damage.NoteIf the screen doesn't function or turn on/off frequently while it's connected to the power supply, please flip the connector of the USB C Cable to confirm if it can work correctly.