Efficient Cooling & AtomizationThe portable air conditioner is equipped with a high-performance motor, unique air ducts and mist humidification holes, which can lower the surrounding temperature and provide you with strong, cool and refreshing airflow in 3 seconds instead of being blown away by the heat wave. Moreover, you can Add cold water or ice cubes on top for better cold air. The compact handheld design is perfect for home, kitchen, bedroom, office, outdoors and camping.2 Modes and 3 Adjustable Wind SpeedsThe room air conditioner has 2 modes (natural wind/cold wind) and 3 wind speeds (cold wind high and low/natural wind mode). Combinations of multiple modes and wind speeds give you more choices. It is recommended to add ice cubes for a better experience, the USB charging port can be powered by power bank, laptop, adapter, power bank, computer and car charger, adapter not included. Suitable for 5V 1.5A USB adapter.2-8H Timer & 7 Color Night LightEvaporative Air Cooler has 3 kinds of intelligent timing modes (2H/4H/8H), which Allows you to enjoy a deep sleep or a nap without the headaches and colds caused by prolonged cool breezes. 7-color night light automatically changes, cooling fans for rooms/bedroom, create a comfortable and relaxing sleeping environment(Light can be turned off)Large Water Tank & Long LastingPersonal air conditioner with a 600ml sealed water tank, this air cooling fan can work 8-10 hours when filled up and avoids frequent addition of water. It will start protection and change to the natural wind when the water runs out, so you don't worry about it when you fall asleep. The water level perspective window allows you to view and control the water level at any time. The design of the water tank on the top can increase the convenience of adding water and avoid leakage.Multi-Functional & Ultra-QuietFour-in-one design, it is not only a cute air cooler but also a table fan, humidifier, and led night lights. In addition, the Cooling fans have better atomization technology we developed that can reduce the noise to 48 decibels. The upgraded mesh structure enhances the filtering effect. Hope it gives you a good night's sleep, This product is designed for personal portable use with a humidifying cooling fan. It does not use refrigerants or chemicals, therefore, it should not be expected to have the same effect as a large air conditioner.