- Odor removal and interior refresh: The automatic window fan is designed to remove leather smell from new cars, pet odors, and other car odors. It ventilates the air quickly and completely, helping your car feel fresh and clean. - Automatic heat control: The car solar exhaust fan detects when the interior temperature is too high (approximately 60 C) and starts automatically. It expels hot air to cool the car and helps prevent hot seating and heat buildup. - Fresh air circulation: By creating a circular airflow inside the vehicle, this window fan brings in fresh air and reduces stale air, improving driving comfort and overall air quality. - Green and economical power options: The fan can run on solar energy in sunny conditions, saving energy and protecting the environment. It also offers a USB charging option for quick top-ups, a long-lasting battery, and the ability to be charged by highly efficient solar panels. - Use scenarios: - After buying a new car or when odors from leather, pets, or other sources are noticeable, to quickly refresh the cabin. - For daily driving with pets, to maintain a fresher cabin and reduce lingering pet smells. - When parking in hot sun, to expel hot air and help cool the interior, and during long drives to maintain a steady flow of fresh air.