Enjoy coolness and comfort in the hot summer with our 4-in-1 evaporative air cooler. With 2 ice packs and double layer filters, this air cooler makes hot and dry air transfer into cool and moist air. You can use it as a regular fan, humidifier, air cooling fan according to your own needs. Besides, there are 3 wind speeds and 4 wind modes for you to choose from. Meanwhile, wide-angle oscillation lets coolness deliver to every corner quickly and evenly. The 12H timer, quiet operation and 7-8H continuous working time allow you to enjoy a quiet and comfortable sleep all night without being disturbed. More, the top control panel and handy remote control are both convenient to use. With four 360°rolling casters, it's easy for you to move the air cooler to any place. When not in use, the swamp cooler in compact size can be effortlessly stored under a desk or in a closet.