Digital Battery Voltage Display. Real-Time Data Monitoring. Real-Time Data Logging. Adjust Idle In Real-Time To Run Accessories. Corrects Speedometer For Tire Upgrades Based On Fitment. Speedometer Recalibration For Gear/Axle Swaps Based On Fitment. TPMS Options Based On Fitment. Reads And Clears Diagnostic Trouble Codes.