#1 Choice of Homeowners — Honeywell is the leading brand in temperature control.Electronic Temperature Control — Precision of ± 1°F saves up to 10%* on heating bill.Maintenance Free — No batteries required.Hidden Adjustable Temperature Locks — Limit minimum and maximum setpoints.Easy Temperature Setting — With single control dial.Peace of Mind — On/Off switch allows you to turn the thermostat off at the end of the heating season.Soundproofed for Quiet Operation — Reduces the clicking noise commonly heard with conventional thermostats.5-Year Limited Warranty*If used as directed, electronic thermostats can save up to 10% onannual heating costs. Savings may vary based on geographic regionand usage.