[Multifunctional] Provides cooling and ventilation to help maintain clean interior air and extend the lifespan of internal electrical components in vehicles. Utilizes solar power to reduce reliance on traditional energy sources and save on energy costs. [High-Efficiency Performance] Features a high-efficiency design that delivers strong ventilation, enhances air circulation, and prevents excessive heat buildup inside the car. Operates using polycrystalline solar panels without requiring an external power source or battery charging. [Easy to Install] Designed to hang on the car door window glass, minimizing gaps in the window opening. Simple installation process allows secure attachment to the car window or roof without complex wiring or tools. [Comfortable Driving Experience] Helps maintain a comfortable interior temperature, so you wont feel excessive heat when entering the vehicle. Continuously exchanges hot, stale air with fresh air for improved comfort. Can operate continuously under suitable sunlight. Product Name: Car Exhaust Fan Product Type: Car Mounted Fan Usage: Heat exhaust, air circulation Power: 2.5W Color: Black Material: ABS Package Contents: 1 x Car Exhaust Fan (Solar + USB Charging) Note: Other items not included. Product updates may occur; actual product may vary slightly in appearance or color. Please consider this before ordering if specific color or design is required. Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowed: +/- 1-3 cm.