The T3008US is the Nest Learning Thermostat. This learning thermostat uses advanced technology to remember setpoints, track occupancy and weather, and learns a home's thermal profile to balance comfort and efficiency. It then uses this information to help build a schedule to automatically adjust the temperature based on who's home and the weather environment. Users can also easily control the tempreature and adjust the schedule from phones, tablets and laptops. Check out the video for more cool features included in this learning thermostat.