1Practical Diagnostic Tool: MDI2 multiple diagnostic interface scanner is used by professional technicians as an aid in diagnosing and repairing automotive electrical and electronic systems. 2Easy to Use: Connect the vehicle to a host Pc computer application, then functions through the Mdi 2 for data transfer and Electronic Control Unit Ecu reprogramming, convenient for using. 3Power Supply: The multiple diagnostic interface 2 scanner is powered from the vehicle battery via the for Dlc cable, may also be powered over USB to perform firmware updates only using a Pc. 4For Dlc Cable: The for Dlc cable is longer than the previous cable and connects at the top, making it easier to use. The cable only connects to the Mdi 2. A wired connection is recommended for longer programming events. 5Excellent Performance: Multiple diagnostic interface with Wifi card. Uses USB 2.0 for faster firmware downloads rather than a separate Ac power supply. More secure Type B connector and Ground Offset Failure protection.