A deluxe, touch screen feature rich thermostat – easy to customize setting. All-in-one programmable 7-day or non programmable. Universal heat pump and conventional heat/cool. Adjustable 2nd stage heat offset. Features: User option: 2 or 4 periods per day, programmable keyboard lock, temporary override and manual hold, dual powered (2AA) Alkaline Batteries (included), temporary compressor protection bypass, 5/2 minute selectable time delay for equipment protection, user temperature calibration, Display option: fahrenheit or celsius temperature, adjustable heating and cooling limits, air filter monitor, selectable smart recovery, AM/PM clock or military time option.