Details: A thinner, sleeker design. A bigger, sharper display. The 3rd generation nest learning thermostat is more beautiful than ever. With far sight, it lights up when it sees you coming and shows you the time or temperature from across the room. And the nest thermostat is proven to save energy. That's the most beautiful part, Works with Alexa .
Package Dimensions: 6.6 x 6.6 x 2.7 inches