Honeywell Home RTH221B1021/E1 RTH221B1021 Programmable Thermostat, Off White

One program for the entire week-4 periods per day. This product is easy to use Digital displays. This product is highly durable and easy to handle Compatible with heating, cooling and heat pumps without auxiliary heat. Does not work with electric baseboard heat 120-240V multistage HVAC systems Accurate temperature control of +/-1-Degree F for consistent comfort. Do not use Cooling mode when the outdoor temperature is below 50 F 10 C Display options: Fahrenheit or Celsius temperature display, 12 or 24 hour clock This product is manufactured in China. Not compatible with electric baseboard heat and multistage HVAC systems