Fangrui Product Details Description: 1. Real-time Detection Of The State Of Charge Of The Appliance, Voltage, Current, Power And Other Indicators; 2. The Tester Is Widely Used In The Quality Inspection Of 3c Digital And Peripheral Products Of Usb Interface.it Is The For Electronics Enthusiasts; 3. It Adopts 0.96 Inch Ips High-definition Color Liquid Crystal Display, Which Can Be Connected In Two Directions, 160 Degree Wide Viewing Angle, High Brightness And Long Working Life. 4. Support The Identification Of Qc2.0, Qc3.0, Pd, For Quick Charge Protocol; 5. Internal Use Of Professional Instrument Sampling Circuit, Coupled With Precision Algorithm, Ensures The Accuracy And Stability Of The Product At The Hardware And Software Level; 6. With Power-off Storage Function, When The Mobile Power Is Cut Off, It Can Store Capacity And Energy Data, Which Is Convenient For Subsequent Viewing, And Is Convenient For Measuring The Energy Capacity Of The Mobile Power Source; 7. Can Help Us Clearly Understand The Load Resistance And Current Dis