This Smart Controlled Midea Easy Cool 3-in-1 Portable Air Conditioner cools or dehumidifies home or office spaces quietly, quickly, and efficiently. Rated at 12,000 BTU (ideal for rooms up to 350 sq. ft.), this unit allows you to choose a temperature between 62 and 90 degrees Fahrenheit. Keep your air quality intact with an indicator light that tells you when to clean the internal filter, removable and reusable air filter to protect your family and living space from dust and pet hairs, and stay comfortable with a proximity sensing feature in the remote that adjusts cooling based on your distance from the unit. Meanwhile, attached wheels provide easy portability. < Maintenance Instructions a.Clean the air filters. b. Add minimum distance/gap of clearance from the air intake.. c. Make the length of the exhaust hose is as short as possible. d. Set the unit to Cooling mode.