Small and design makes it easy to use and transport. Helps save 10% to 30% or more on gasoline consumption. Simple installation by just inserting the device into the car's lighter. Contributes to gasoline savings and promotes environmental sustainability. The Fuelsync Gas Saver is an innovative solution for drivers looking to reduce costs and minimize their carbon footprint. Its compact design allows for easy handling, while its efficient technology ensures significant savings on gasoline. By simply plugging it into the lighter, users can enjoy a hassle-free experience that not only benefits their wallet but also helps protect our planet. Color: Blue-Black Material: plastic Package Contents: Package Includes: 2PCS * Gas saves Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.