LG Smart AC Additional Settings  Register a/c unit, set temperature unit display (Degrees Fahrenheit or Degrees Celsius), Help, etc Advanced Functions  Control additional features such as purification, air flow, sleep timer, filter renewal date Favorite Settings  Create or save an existing setting as a favorite Control  Use to make instant changes to temperature and fan speeds The LG Smart AC Wifi Adapter is only compatible with model numbers: LA090HYV, LA120HYV, LS091HSV3, LS121HSV3, LS181HSV3, LS240HSV3, LS307HV3, AND LS360HV3.