1. Upgrade the multifunctional USB C power meter: detect the charging status and process of USB or C-type devices. Supports QC3.0, QC2.0, and BC1.2. Necessary tools to check the charging performance (charging speed and quality) of output wall/car/solar panel chargers and USB charging cables. It can also be used to find the maximum current of a wireless charger and test the capacity and power of a portable power bank. 2. Professional protection: equipped with overvoltage protection, overcurrent protection, undervoltage protection, low-energy consumption protection, and alarm system. This upgraded USB Type C tester can detect security and protect devices from damage to the maximum extent possible. It will automatically cut off the output and sound an alarm, while saving data in case of sudden power failure. 3. Wide application range: Thanks to the PD protocol fast charging mode measurement technology, this multimeter supports updated X phones. (Supports fast charging for 8/8P/ Xs, 29W power supply, 5V3A/9V3A/12V2.5A/15V2A). It can also be used to test other C-type devices and is compatible with Galaxy S10/S9/Note 10+, ChromeBookPixel, , and more. 4. LCD multi-color display: The upgraded version provides IPS HD 9 LCD main color screen display interface, which can be switched by pressing the button. Supports English or Chinese display, personal screen display. Warm tips 1.the tester needs to meet the protocols before the screen will light up. 2.If the screen does not light up even after confirming that the protocol is met,try flipping the cable and try again. The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:ABS Package Contents: 1x Battery Capacity Detection Tester Only the above package content, other products are not included. Note: Light reflection 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.