The Midea 12,000 BTU smartphone-compatible portable air conditioner cools a medium room up to 550 square feet, but with added convenience compared to standard units. The 3-in-1 operation lets you choose between air conditioning, dehumidifying, and fan-only modes, and built-in hose-in-hose design allows for exhaustion of hot air and introduction of fresh, cool air in the room. Low mode operates at a 42.5 dB noise level, ensuring a super quiet unit to cool down any room. Using the compatible Android or OS app, control your air conditioner settings from anywhere, including the two air outlets that can be controlled separately. The 4-wheel design provides room-to-room portability and inverter technology means you can enjoy optimal cooling results with 25% energy savings versus standard portable air conditioners. The MIDEA 12,000 BTU smart phone compatible portable air conditioner cools a medium room up to 550 square feet. 3-In-1 operation - air conditioning, dehumidifying, and fan-only modes. "Inverter technology – available for more than 25% energy savings versus traditional PAC smart phone compatible – android and OS control from anywhere super quiet – operates at 42.5 dB on low mode easy cool – quick and easy installation". Easy to move – 4-wheel design for room-to-room portability. "Built-In hose-In hose design – allows for exhaustion of hot air and introduction of fresh, cool air in the room two independent air outlets – can be controlled separately through the remote or pp".