Feeling hot and sweating in your house during the summer? Create ionized and cool breezes to freshen your indoor air finally. Including a large-capacity water tank of 10L, this powerful 3-in-1 evaporative air cooler can produce cold air seamlessly through 3 different modes of winds at different speeds and angles for your best comfort: cooler, humidifier, air purifier. Equipped with the easy operation panel, remote control, and wheels, fresh your air in any room you are in your house. Adjustable Speed: Three-speed air cooler could meet your different needs and be applied on various occasions. Cool: Adopt ice crystal refrigeration and air evaporative technology, can cut down the temperature from the air vent. Ionizer: Release negative ions into the air to freshen the air and care health. Humidifier: Improve the air damp, avoid skin dry and spall. Deliver Wind at Wide Angle: Swing the blades automatically or manually, deliver wind at the horizontal wide angle. Timing Function: 24-hour timing function makes the air cooler stop automatically after you set the performance time. Large-capacity Water Tank: 10L large-capacity water tank prevents you from adding water continuously. Universal Wheels: you could freely move the air cooler from room to room for its wheels. Use with AAA battery(Not included)