Features: * brand new and high quality * Made of high quality material, durable and practical to use * Upgraded Multi-Function USB C Power Meter: This new USB tester is used to detect the charging status and process of enabling USB or C-type devices. Supports QC3.0, QC2.0 and BC1.2. It can be used to test USB The maximum output current of the charger; the test capability and power of the power bank; testing the charging speed and quality of the USB cable. * Professional safety protection: overvoltage protection, overcurrent protection, undervoltage protection, low energy protection and alarm system. This upgraded USB Type C tester can detect safety and protect equipment from damage. The output will be automatically cut off and an audible alarm will be given while the data is saved in the event of a sudden power failure. * A variety of color screen display mode: The new upgrade version provides 8 LCD main color screen display interface, which can be switched by the button. With the new interface setting, the instrument can monitor USB voltage, current, capacity, power, load impedance, D + / D- voltage and other data. (Please note that this new tester cannot reset the backlight time.) *Overload protection function: The default parameter of the threshold voltage is 35.0V. To adjust the overload voltage, please switch to voltage > 35.0 interface; double click button to increase 1v, triple button to decrease 1V. If the detected voltage is higher than the set voltage, the test will be issued Beep. * Low-voltage protection function: switch to voltage