The Honeywell Home 5-2 Day Programmable Thermostat offers RTH2300B separate schedules for weekdays and weekends, with four daily periods: wake, start, check-in, and sleep. It allows precise temperature control at +/- 0.5 degrees Celsius. The backlit display panel has an intuitive interface for one-touch access to the set temperature. This thermostat is easy to install and works with many heating/cooling systems, heat pumps without auxiliary heaters, and central systems. Built-in reminders for battery and filter replacement ensure smooth operation.