UPGRADED MULTIFUNCTION USB C POWER METER: Detects the charging status and process of your USB or Type-C enabled devices. Supports QC3.0, QC2.0 and BC1.2. A Must-have gadget checks the charging performance (charging speed and quality) of wall/car/solar panel output chargers and USB charging cables. It can also be used to find the highest current of the wireless charger and test the capacity and electric energy of the power bank. PROFESSIONAL SAFETY GUARD: Includes overvoltage protection, overcurrent protection, undervoltage protection, low energy protection and alarm system. Upgraded USB Type-C tester can detect safety and protect devices from damage to the greatest extent. It will automatically cut off the output and buzzer alarm, while saving the data when suddenly power off. MULTIPLE COLOR SCREEN DISPLAY MODES: The new upgraded version provides 8 main LCD color screen display interfaces, allowing you to switch the display interface by pressing the key. With the new interface