Automatic detection of multiple fast charging protocols, high voltage triggering of multiple fast charging protocols. Tests various Type-C/USB digital devices. Built-in bidirectional current detection sensor. PD E-Marker data line detection, PDE-Marker detection: supports reading PDE-Marker and cable data, supports detection of voltage and current and other parameters. Built-in sensor: allows the interface to automatically rotate 360 degrees, convenient for viewing data in different directions. Voltage range: 0-50V Current range: 0-6.5A (short-term 12A) Power range: 0-325W Display: Full-view IPS high-definition color screen (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:Plastic Package Contents: 1 * USB Tester 1 * USB Cabble 1 * 4-in-1 digital sensor for temperature/humidity/altitude/air pressure 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.