Feature:1. HD Color LCD Display, Bidirectional Connection: USB tester has HD color digital LCD display for clear readings; bidirectional connection with bidirectional charging measurement function.2. Applicable: USB tester is mainly used to detect USB C charging current, voltage, power, time, etc., and display accurate data for you in real time. It can automatically detect different fast charging protocols such as QC, PD, VOOC, etc.3. Widely Used: USB tester detects voltage range from 430V and current range from 06.5A. Widely compatible with USB C port devices such as cell phones, tablets, laptops, car chargers, power packs, wall chargers, cables, etc.4. High Accuracy: The USB C tester uses professional instrument sampling circuitry inside, plus a unique accuracy algorithm to ensure the accuracy and stability of the product, which stores multiple sets of test data for easy storage and comparison of data.5. Safety Testing: USB C power tester detects the quality of chargers and cables, providing a safe charging environment for your valuable devices. Small and lightweight, can be carried around.Specification:Item Type: USB TesterMaterial: ABSVoltage: 4-30VCurrent: 0-6.5ATiming: 0-99 HoursmAh: 0-999999mAhPower: 0-195WCharge Internal Resistance: 0-999Temperature: -9~99TYPE C Male Port: Output InputTYPE C Female Port: Input OutputMilliwatt Hour: 0-999999mWh.Package List:1 xUSB Tester 1 x Manual