The Honeywell EvoHome Multizone controller ATP921R3100 is a sophisticated heating and cooling system that allows you to control the temperature in different areas of your home independently. With the added convenience of the ATF800 stand and Charger, you can easily move and power your controller, making it a versatile and user-friendly option for achieving a comfortable home environment. The trusted brand of Honeywell ensures quality and reliability in maintaining your heating and cooling settings.