The vehicle protocols are handled directly in the 5054A.This ensures fast response times and a reliable real-time behavior independently of the PC operation system. Every time a connection is established, the 5054A software is synchonized with the version installed on the application. The diagnostic base system can access the 5054A USB. 5054A Specificatn: The vehicle protocols are handled directly in the 5054A. This ensures fast response times and a reliable real-time behavior independently of the PC . Every time a connection is established, the 5054A software is identified with the version installed on the application PC. The 5054A thus automatically adopts any new features provided after a new software version has been installed on the application PC. The diagnostic application and the associated Diagnostic Base System are installed on the application PC. The diagnostic base system can access the 5054A via USB. Notice: Full Support VWAudi Full Function as orignal !! Supported Protocols: K Line (ISO9141-2) High-speed CAN( 11898-2) Low-speed CAN (ISO11898-3) J1850 (SAE J1850) Support Multi-Language: English/Japanese/Portuguese/Romanian/Korean/Dutch/Polish/Turkish/Spanish/French/Italian/Croatian/Danish/German/Swedish/Finnish/Slovenian//Russian/Greek/Chinese Colour:Gray-black Material:plastic Package Contents: 1 x 5054A Diagnostic Tools 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.