1) What is the PC Interface Kit? PC Interface Kit allows you to connect your Predator to your PC. This is necessary if you want to: *Update Predator software revision * Export your Current Tune from predator to your PC This is needed if you want a Custom Tune to be created for your vehicle. *Upload Custom Tunes into the Predator Custom Tunes are available from your DiabloSport dealer. *Ford vehicles only: Export the Live Data Log from the Predator to PC in order to be viewed using our free Windows DAT Viewer *Ford vehicles only: Stream the Live Data while driving from the Predator to laptop in order to be viewed using our free Windows DAT Viewer. 3) What comes with the Kit? It includes a USB adapter and a 12 V DC PowerSupply.