1Function: This VCI3 tool is designed to support diagnostic systems based on Can network, it's a extremely fast yet very compact diagnostic tool. 2Wireless Connection: You can work without wired connection to diagnose your truck, like damaged data cables and other problems of wired connections, and there is a USB connector for wired connection. 3Multi Language Support: English, German, Spanish, French, Japanese, Dutch, Polish, Portuguese, Swedish, Norwegian, Finnish, Turkish, Italian, Czech, Russian, Chinese. 4Application: The device is designed for full service trucks, buses and other heavy vehicles, but it does not work with trucks and engines manufactured before 2004. 5Install Video Provided: V2.31 version scanner work on WIN7 64 bit system, which is free to use. Provided with install video in Dvd, buyer can install and activate by yourself.