Description [ Make Adjustment A Breeze ] Selfadjusting to perfectly match your car, Car Fuels Saver is a great way to save energy while driving your car, saving 15% on fuels for vehicles. [ Easy to Set up ] Eco Chip Fuels Saver is thanks to its plugandplay feature, having no complicated installation steps, allowing you to easily plug it into your cars OBD2 connector. [ Widespread Use ] Working based on OBD2 protocol, Car Energy Saver is suitable for most cars produced after 1996, having a wide range of applications. [ Unique Gift ] A perfect holiday gift for family and friends, Auto Fuels Economizer is selfadjusting the car to the drivers habits, effectively helping save energy while driving. [ Perfect for Car Driving ] Helping achieve low fuels consumption in your vehicle, Vehicle Petrol Saver is updating maps and adjusting itself to perfectly match your car, a musthave for selfdriving trips or long journeys.