Weekdays and weekends can be programmed differently;Armchair programmable,For use with window air conditioners and electric space heaters 120-Volt;Digital temperature control with easy to use touch keys,Display shows the preset and current temperature for easy reference;Turn space heaters/window AC into programmable and more efficient,Programmable outlet thermostat flexible to comfort & schedules;easy plug-in thermostat for weekday and weekend comfort & savings