Royal Sovereign, 11,000 BTU, 3-in-1 Portable Air Conditioner, Cool, Dehumidify, and Fan (ARP-9411) 3-in-1 Air Comfort System: Powerful 11,000 BTU air conditioner to cool a room up to 450 sq. ft. Also functions as a 3-speed fan to circulate air and a dehumidifier to remove unwanted moisture. Quick and Easy Setup: Dont waste your time with heavy, bulky window air conditioner units. This unit includes a light-weight window kit for easy installation. User- Friendly: This unit has digital controls and a full-function remote which allow you to manage your home temperature and humidity level. Use these controls to adjust the temperature, change the fan speed and set the 24-hour timer. Quiet and Efficient: This portable air comfort system is sleek and ultra-quiet. This unit operates at less than 65 dB to provide a peaceful and quiet environment at home. Removable and Washable Air Filter: This filter can be easily taken out and cleaned to ensure high-quality air for your home.