1. with unique patented One-Click I/M Readiness Key, circuit test, starting and charging systems tests, battery test, TFT color display, and built-in speaker. 2.AL539b will streamline automotive service and help ensure rapid, accurate diagnosis and timely repair3. Multilingual Menu and DTC Definitions-English, German, French, Polish, Spanish4. Works on ALL 1996 and newer vehicles(OBDII & CAN)-domestic and import5. Update online