Usage Tips:Features:1. Our car fuel saver helps to stabilize, increase power, accelerate engine start, improve braking sensitivity, improve engine efficiency and power performance.2. This car fuel saver is highly efficient and can save 5-8 fuel for your car.3. Carefully designed and meticulously manufactured for cleaner emissions.4. Practical car accessories: improve the sound quality, increase the brightness of the upper light, improve the performance of the electronics and improve the performance of the control units.5. You can experience more horsepower, better acceleration, longer battery life and cleaner emissions.Notice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3cm deviation due to manual measurement Description:Size: 8x13.5x2.5cmMaterial: plasticColor: bluePackage List:1x Portable Fuel Saver Economizer