The Emerson Blue 1F97-1277 thermostat is a programmable touchscreen thermostat that allows you set a different schedule for each day of the week. The large 12 in. display guides you through set-up, programming and operation with only the touch keys you need to see. This thermostat works with single stage heating and cooling systems, and heat pump systems with aux. Not compatible with electric baseboard heat and some other systems.