Large backlit display and soft-touch button interface.
Precise temperature control of +/-1 Degree Fahrenheit with auto change from heat to cool.
7 day programming.
Smart Response Technology with filter change reminder and low battery indicator.
Fahrenheit or Celsius temperature display with 12 or 24 hour time display.
Selectable temperature range stops.
Compatible with heating, cooling and heat pump systems.
Does not work with electric baseboard heat (120-240V).