Four-in-one multifunctional car fan, car fan + aromatherapy + mobile phone holder + mobile phone license plate, you can enjoy coolness in the car when driving in summer. Bring your own aromatherapy Cars come with their own aromatherapy, so you can enjoy cooling in the car. With mobile phone holder, with mobile phone holder, the navigation does not tilt, safe companionship; the mobile phone license plate moves the license plate, park and go, the mobile phone can dial the license plate, convenient and practical. Widely applicable to 12V models: suitable for 1-cell battery models, such as cars, trucks, trains, sedans, off-road vehicles, multi-purpose vehicles, etc. Applicable to 24V models: Suitable for 2 battery models, such as large trucks, trucks, engineering vehicles, large trucks, large excavators, cranes, etc.