UPGRADED MULTIFUNCTIONAL USB C METER: Detects the charging status and process of your USB-enabled or type c-enabled devices. Supports QC30, QC20 and BC12. A Must Gadget checks the charging performance (charging speed and quality) 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 bank. SAFETY GUARD: Featured with over-voltage protection, over-current protection, under-voltage protection, low energy protection and alarm system. This upgraded USB Type C tester can detect safety and maximally protect the appliances from damaging. It will cut off output automatically and alarm by sound, while it will save data when off suddenly.MULTIPLE COLOR SCREEN DISPLAY MODES: New upgraded version offers 8 LCD main color screen display interfaces, allowing switching the display interface by pressing the key. With the new interface settings, this instrument can monitor voltage, current, capacity, electric quantity, , load impedance, D+/D- voltage and other data of USB.WIDE RANGE OF APPLICATION: Thanks to the PD protocol quick charging mode measurement technology, this new multimeter supports the updated X mobile phone. (Support 8 / 8P / Xs quick charging, 29W , 5V3A / 9V3A / 12V25A / 15V2A). It also can be applied to test other type C devices, Compatible With Galaxy S10/S9/Note 10 +, ChromeBookPixel, and More.Colour:BlackMaterial:plasticSize:60 x 60 x 11mmPackage Contents:1 x OTG adapter1 x USB testerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.