Honeywell's RTH2410B1000/U 5-1-1-day programmable thermostat features a series of highly intuitive options for customizing your thermostat's schedule. This weekday and Saturday/Sunday programmable thermostat gives you the ability to program weekdays separate from Saturdays/Sundays and comes equipped with four distinct program periods per day. The unit utilizes the proven and relatively simple programming logic that's found in similar thermostats that carry the Honeywell name. Easy to navigate controls, enlarged buttons and a wide screen all come together in creating the ideal thermostat. The end result is a very manageable thermostat that's programmable and highly responsive to your individual selection of choices.