The Roadi Recon Gauge is a comprehensive gauge for the eco-minded driver who is looking to improve a vehicle's fuel consumption. Drivers can monitor driving habits and improve driving performance. The integrated Trip Computer provides instant feedback while tracking up to four sets of trip data. A built-in scan tool stores and allows users to read trouble codes in order to diagnose potential problems quickly. This device records up to 300 hours of driving data, which can be downloaded via USB to a computer.