1. Built-in update software: Make VVDIProg firmware update timely. 2. High-speed USB communication interface: Make software automatically connect. 3. Smart operation mode: possible causes of error will be listed 4. Reserve ports: For future update. 5. Self-test function: Check if the machine works well or not. 6. Power supply: Through USB cable, software will automatically prompt if the external USB power supply is needed SKU: GK-2040 Category: XHORSE Tags: VVDI, vvdi prog, vvdi-prog-programmer