This Frigidaire air conditioner has been used for a little over one year now. It is mounted in the window for the hot summer months. It was very easy to install by two people. It plugs into an ac plug. There is a digital display for the temperature it is set at. There is a check filter light that comes on when the unit determines it is in need of a new filter. It just went on after over one year. You can set a timer and a sleep button for on/off. There is a cool mode, energy saver mode and a fan only mode. Also can set the fan for lo, med, hi or auto. Then an on/off button. This unit came with...