Displays, records and plays back OBD2 live data graphing on the tool. All-in-one backlit display that shows over 20 pieces of vital diagnostic information at any one time. Links to all OBD2 protocols including C.A.N. to decode Check Engine light problems. Automatic refresh updates data every 30 seconds when connected to the vehicle an easy way to verify repair completion. Features unique patented all-in-one backlit screen display and 3 color LED display for quick State Emissions readiness check. Comes with 15 inspection maintenance monitor coverage which is a great way to verify repairs have been completed and the vehicle has run through its complete drive cycle. Shows generic (P0, P2, P3, and U0) manufacturer specific (P1, P3, and U1), global, pending and permanent codes as well as the code which caused the freeze frame data to be set. Displays Freeze Frame Data that displays a multiple P.I.D. snapshot of the vehicles condition when the code was set. Fully internet updatable and upgradeable for future year, make and model coverage. Memory / Battery backup for off-car review and analysis. Comes with a full one year warranty.