Honeywell 1 Week Programmable Thermostat

Honeywell RTH221B1021/E1 1-Week Programmable Thermostat: Thermostat Basic operation Precise temperature control Sleek, 1-piece design Easy to use Works with heating and cooling systems 1 program runs for the entire week Honeywell programmable thermostat is easy to install Users can control temperatures year-round to enjoy comfortable living or work environments Voltage: 120240 Volts Average battery life: 8760 Hours 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