Highlights3-in-1 Cooling - This air cooler enjoy multi-function set in one, including refrigeration, humidification, air purification function in one equipment. It's really the first choice for you in hot summer days, which eliminates the trouble of using multiple appliances at the same time.20L Water Tank and 2 Adjustment Methods - This cooling fan with a good cooling effect has a 20L extra-large water tank, which greatly reduces the number of times to add water.Available 4 Speeds and 3 Modes -