Accurate Measurement: The internal sampling circuit of professional instruments, coupled with the unique accuracy algorithm, ensures the accuracy and stability of the product. Automatic Detection: USB tester can automatically detect different fast charging protocols, easy to use and convenient, providing you with a safe charging environment. Scope of Application: The large measurement range of USB C meter makes it widely compatible with USB C port devices, such as cell phones, tablets, laptops, car chargers, power packs, wall chargers, cables, etc. Multifunctional: Type C meter tester is mainly used to detect charging current, voltage, power, time, etc., displaying accurate data for you in real time. Digital LCD Display: The USB C color tester has a digital LCD display for clear readings, is compact and lightweight, and provides a safe charging environment wherever you go.