1. Product description: Three-in-one air conditioning fan, 1800 mAh, 500 ml with the latest engine, high rotational power, up to 3000 rpm. Equipped with 9-blade spiral fan blades to collect high-pressure airflow. The portable air conditioner can cool immediately. It is a three-in-one combination of a fan, an electric fan, and an air conditioner. It perfectly combines the advantages of all three products: portable air conditioner, natural fan, air humidifier, and cold air device. Create a comfortable temperature in the surrounding environment and enjoy a comfortable summer. 2. The CE mark is a declaration by the product manufacturer stating that the product complies with the requirements of the European Commission directives applicable to it. 3. Warning! The installation of the product must be carried out by a qualified professional. 4. The seller is not responsible for products with poor (improper) installation and/or the damage caused thereby.