The vehicle protocols are handled directly in the 5054. This ensures fast response times and a reliable real-time behavior independently of the PC . Every time a connection is established, the 5054 software is identified with the version installed on the application PC. The 5054 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 5054 via USB. Notice: Full Support for Full Function as orignal !! Very Important Operation Tips !!!!: 1. For 5054 , After install software, you must install a special patch named -PATCH before connecting car. this special patch included on the smallest CD ( total 4 big CD and 1 Small CD ), extract the patch, it includes patch installation instruction . 2. In , you need touncompress all 22 postsetup files at same time ( not one by one ) into new folder you create Then choose such new created folder when click "select local directory", then you can get correct update infromation without problem Supported Protocols: K Line (ISO9141-2) High-speed CAN( 11898-2) Low-speed CAN (ISO11898-3) J1850 (SAE J1850) The vehicle protocols are handled directly in the 5054.This ensures fast response times and a reliable real-time behavior independently of the PC operation system. Every time a connection is established, the 5054 software is synchonized with the version installed on the application. The diagnostic base system can access the 5054 Plus Material: plastic colour: grey black Package Contents: 1 set x 5054 Plus 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.