Honeywell Home RTH221B Programmable Thermostat 1 Week Basic Program - Open Box

New - Open Box. Brand: Honeywell Home Model: RTH221B Type: Programmable Thermostat Programming: 1-Day (Basic) Compatibility: Gas, Oil, Electric Furnaces, Central Air, Hot Water, Millivolt Display: Digital LCD Temperature Scale: Fahrenheit or Celsius Clock: 12 or 24 Hour Accuracy: +/- 1 Degree F Power Source: 2 AAA Batteries (Not Included) Included: Thermostat, Mounting Hardware, Quick Install Guide, Manual Color: White Dimensions: 4.75"w x 3.38"h x 1.1"d Mercury Free: Yes Keywords: HVAC, Home Improvement, Climate Control, Energy Saving, Resideo, Digital Display, Easy Install, Wall Mount, Replacement Part, DIY, Temperature Controller, Basic Scheduling Please compare the size and/or measurements to an item you already own before purchasing.