Cool you down in the hot summer with our air cooling fan! Our portable air cooler combines 4 useful functions, including regular fan, air cooling fan, humidification and air purification, which can breeze out cool wind, increase air humidity and purify the air. Coming with 3 wind modes & 3 wind speeds, you can customize the air cooler according to your own preferences. Better yet, the wind direction can be adjusted up/down manually and left/right automatically to cool every corner quickly and evenly. The 2.6 gallon/10L large water tank can greatly reduce the frequency of adding water. Besides, the 15 hour timing function and low noise operation create a quiet and comfortable sleeping environment for you. What's more, the handy remote control and universal casters make operation and movement more convenient.