About this item: 1. Efficient Cleaning: The solar-powered car exhaust fan uses high-efficiency semiconductor technology to quickly clean the air inside the car, ensuring the health of the passengers. 2. Environmentally friendly and energy-saving: It is powered by solar energy and does not consume the car's battery power, which reduces environmental pollution and saves energy costs. 3. Easy installation: The solar-powered car exhaust fan is small and lightweight, and the installation is simple and convenient. It does not require a professional installation team, and the passengers can complete it by themselves. 4. Multi-functional design: This solar-powered car exhaust fan can be used for bidirectional ventilation. It can not only exhaust the odor inside the car but also suck in fresh air, allowing passengers to have better ventilation during driving. 5. Dur able and reliable: Made of high-temperature resistant materials, the solar-powered car exhaust fan can withstand the use in high-temperature environments. It also has sun protection and waterproof functions, ensuring long-term reliability. Package includes:1set