Air conditioner was purchased for a bedroom and even on low speed it is not very quite. I set up the internet app and connected to the internet to use my Iphone to control it. It lasted almost 24 hours before I had to be totally reinstall the software. It worked great for two days and had to reinstall software again. The internet connection is 5 bars and not my internet. Other reviewers said the APP was terrible with one star rating. They were correct. [This review was collected as part of a promotion.]