I used this for one season. It started making a rattling noise because the fan position was bad, so I stopped using it. Please purchase only if you understand this. _____________________________ [Built-in 2 Fans & 26 Air Vents] Two fans effectively supply air into the car, quickly lowering the temperature. Even in extreme heat, you can feel comfortable air from head to toe, reducing the discomfort of the heat. Improves concentration and comfort while driving. [Achieves Cold Air Circulation] Effectively takes in cool air from the cooler system and sends it to all angles of the car. This allows for uniform circulation of cool air throughout the car, so that all passengers can enjoy a comfortable environment. [Stepless Airflow Adjustment Function] You can adjust the airflow to suit individual preferences and comfort. By fine-tuning the airflow to your liking, you can enjoy a more comfortable drive or travel. [Comfortable to Sit On] Breathable mesh material and ventilation holes and mesh on the seat surface promote airflow. Uses fluffy cushions and provides proper support for the seat and backrest. [Works Great Anywhere] Can be installed and used in the driver's seat, passenger seat, and rear seats. Can be connected to an AC-DC adapter and used indoors, such as at home or in the office, and can be used in combination with a portable power supply for outdoor activities such as camping. (※AC-DC adapter and portable power supply are sold separately.) ※ Upgraded from one fan to two fans on June 30, 2024.