Unique Functions The desk air conditioner fan has a humidification button, 3 gear wind speed(high, medium, low), and the default is the 1st gear, adjustable air supply angle, replaceable filter design, accompany you to spend every dry and hot night. 4-in-1 Air Cooler The portable mini air conditioner fan is designed with eco-friendly refrigeration, air purification, humidification, can be used as a desktop fan or a humidifier alone, keep you away from hot weather and dry air, provide the more comfortable and healthy personal space for you. Large Capacity Water Tank The portable air cooler fan can lower the temperature of your personal space by up to 5-10C, its large water tank can be filled with 600ml water or ice-water mixture. The waterless indicator will flash when the tank is dry. Night Light The misting fan has 7 soft colors. Place in dining or coffee table to create a romantic atmosphere You can also long-press to turn off the LED light. NOTICE: This portable air conditioner only cools the area around the user. Portable and Power-saving We designed specifically this lightweight air conditioner fan for individual use. It is easy to carry and not taking up space, great for bedroom, office, dorm, trip, etc. Enjoy the coolness and no longer have to worry about the electricity bills. Just a few cents a day.