Honeywell RTH2410B1001/A 5-1-1 Day Programmable Thermostat N/A Imported One program for the weekdays, separate programs for Saturday an Sunday-4 periods per day Backlit digital display Compatible with heating, cooling and heat pumps with auxiliary heat, Does not work with electric baseboard heat (120-240V) or multistage HVAC systems Accurate temperature control of +/-1-Degree F for consistent comfort Display options: Fahrenheit or Celsius temperature display, 12 or 24 hour clock