Features: This portable fuels saver utilizes advanced electronic components to optimize fuels consumption, effectively reducing high fuels usage in city commutes and saving costs for vehicle owners. Featuring ABS component for general compatibility, this fuels efficiency device fits multiple car models effortlessly without tools, ensuring quick and easy plugs and play installation. Ideal for daily commuters, multi car families, rental companies, and conscious drives seeking sustainable fuels saving solution for their vehicles. Perfect for city driving scenarios, daily commutes, long distance trips, and extreme weather conditions, providing stable fuels optimization in diverse environments. By minimizing fuels waste and lowering carbon emissions, this fuels optimizer promotes environmental protect, extends engine life , and delivers consistent energy efficient performances. Specifications: Component : ABS Length: about 11cm/4.33inch Package Includes: 4xCar fuels Saver note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.