[Latest Upgraded USB C Power Meter Tester]: The multimeter tester can monitor Voltage,Current,Capacity,Electric Quantity,Power,Temperature,Resistance,Charging Time and other data of the USB or type C Port Devices.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 power bank. [Latest Upgraded IPS Color Display Screen]: upgraded version offers 8 IPS main color screen display interfaces,allowing switching the display interface by pressing the key.With the interface settings,this instrument can monitor voltage,current,capacity,electric quantity,power,load impedance,D/D- voltage and other data of USB.(The upgraded IPS HD color screen is clearer than the old LCD color screen.Supports flipping the screen to 180 degree, and 3 kinds of interfaces!) [Professional 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 power off suddenly. [WIDE RANGE OF APPLICATION]: The USB tester comes with A OTG adapter, supports PD3.0/PD2.0, QC3.0/QC2.0 and multiple interfaces,this multimeter supports the updated for iPhone 11 Pro mobile phone. (Support for iPhone 11/X/for iPhone Xs quick charging, 29W power, 5V3A / 9V3A / 12V2.5A / 15V2A). It also can be applied to test other type C devices, such as for Samsung Galaxy S9 Plus, for Google ChromeBookPixel, OnePlus, for HuaWei P9, ect. Display Screen Operation Manual: Press the Power Button Once:Switch the Display Interface.Long Press the Screen to Flip Fast Double-Click Capacity mAH Clear Fast Press Three-Click Current WH Clear Fast Press Four-Click Time Clea Fast pres