The ac cools very well. There should be a way to change the default settings as every time the unit is turned on the temperature is set to 72°F and ECO mode. 
The wifi and integration with Alexa needs to be worked on. It seems that quite frequently it will not connect to the wifi, but wifi always shows strong signal. Also, the control from Alexa is only on/off and does not allow setting temperature, changing mode, etc,...