<b><br> What you need pay attention before purchasing?</b><br> <br>1. Please read our reviews or check online for the software installation requirement. <br>2. Please turn off anti-virus program before installing software. <br>3. We recommend you buy online subscription to works with our VXDIAG VCX NANO device. We only provide hardware. <br>4. If device remind you license expired, please provide us your serial number for extense your license for free.<br> <b>VXDIAG VCX NANO for GM/OPEL FEATURES: </b><br> <br>* Fully compatible with SAE-J2534-1 & SAE-J2534-2 <br>* USB vehicle-to-PC connectivity <br>* All current and most legacy vehicle protocols: CAN, UART, KW2000, Class2, GM LAN, etc. <br>* CE and FCC compliance for hardware <br>* Firmware Updatable ( Online update) <br>*GDS2 works with virtual machine with VMWare running in a decent hardware, no low end Pentiums or Celeron, please Core2Duos and up, Minimum 4GB Ram, etc., Tech2Win works ONLY in a physical system with Windows Xp or Windows 7 x86 (32Bit) installation. It does not work any other way. It DOES NOT WORK in a x64 (64Bit) environment <br> According to customer's feedback, it may not compatible with computer with an AMD CPU<br> <br>COMPATIBLE SOFTWARE: <br> <br>* Support PC-based diagnostics with rollout of the Global Diagnostic System GDS & GDS2 <br>* Support GM TIS2WEB online Service Programming System (SPS), NEED Buy Subscription online <br>* Support Tech2Win application to offering a larger screen with all of the Tech 2 tool functionality<br> <br>GDS 2 Provides the Following Capabilities in Multiple Languages: <br> <br>* Read codes, code status, Freeze Frame data and Clear Codes. <br>* Read VIN, ECU part numbers and software numbers. <br>* Record, store and replay Stored data. <br>* Control and monitor Output Control functions. <br>* Configure and Reset functions. <br>* Record or display history of the previous vehicle diagnostic sessions. <br>