1_This model is easy to operate_ The manual control panel has a timer, thermostat, two speedcooling speeds and t_,o fan speeds_2_ This portable air conditioner does not require water to be added_3_ The unit has a unique design which evaporates the waten Therefore no condensation tank isnecessary, thus avoiding you to have to wake up in the middle of the night to empty the bucketand turn on the uniL4_ Easy to install window kit is included which consists of the exhaust duct, exhaust hose,hose nozzle and the window panel kiL5_ Full directional adjustable casters are included to help to move the unit to be conveniently usedin almost any area_& The filter screen is designed for easy cleaning and is easily accessible_7_ Portable air conditioners are easy to store when not in use_(4)