Features: Efficiency ventilation: With the car solar fan, you will enjoy more efficient ventilation. The fan initiates a convection process, drawing hot air out and inviting fresh air in. This enhances the air quality and reduces the possibility of high temperature breakdown to interior components. Broad compatibility: This exhaust fan for car can be easily installed and applied in almost all types of vehicles. Be it a compact car, an SUV, a minivan, or a truck, as long as it has a window, this fan is a suitable fit. This makes it ideal for various car owners looking to enhance the ventilation and air quality inside their vehicles. Specifications: Material: polycrystalline solar panels Color: white Size: as shown as picture Package includes: 2 x Car solar powered window exhaust fans Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. This product is not suitable for all types of car windows. For instance, darker glass does not perform well. Solar panels are separated by a layer of glass, so darker or colored glass cannot achieve the best effect. The fan's effect will be optimal only when it is unobstructed and exposed directly to sunlight.