White-Rodgers Blue 2 5-1-1 Day Programmable Thermostat

Programmable 5/1/1 day thermostat system works with most single stage heating and cooling systems, and heat pump systems without aux. Easy-to-read 2 square inch display with backlight option. Accurate temperature control plus/minus 1 degree Fahrenheit. Permanent program retention, even during power loss. Exclusive Cool Savings feature saves energy during peak A/C demand periods. Long battery life, uses 2 AA-batteries (included). Simple set-up menu to activate additional features. Manufacturer part number 1F80-0261.