Honeywell 5-1-1 RTH2410B10 19 Day Programmable Thermostat with Backlight

Program each day differently up to 4 periods per day Energy Savings Program to save up to 33% on annual heating and cooling costs (if used as directed. Savings may vary depending on geographic region and usage) Basic operation keeps programming simple Backlit display Early start function; precise temperature control of (+/- 1 degree F) for maximum comfort Display Options degree C or degree F temperature - 12 or 24 hour clock Compatible with heating and cooling plus heat pump systems Does not work with electric baseboard heat (120-240 V) and multi-stage heating/cooling systems Basic programmable