New In The Box Unopened. Control via your smart device for precise temperature control Learns your favorite settings and automatically adjusts itself Shop the Nest Smart Home Collection Model #: T4000ES Sku #: 1002693230 Internet #: 302714540 It's easy to save energy with the Nest Thermostat E. Designed with proven energy-saving features like home/away assist that turns itself down after you leave so there is no wasted energy heating or cooling an empty home. Offers easy-to-set simple scheduling that can adjusted from any smart device. Change the temperature from your office or on vacation. A smart thermostat for a smart home enclosed in an elegantly simple frosted display. Proven energy-saving features: like the Nest learning thermostat, the Nest thermostat E can help you save from day one Home/away assist: turns itself down after you leave, so you don’t waste energy heating or cooling an empty home Remote control: use the Nest app to change the temperature from anywhere the beach, the office or your bed A simple schedule: start with a basic schedule, then adjust it whenever you like Frosted display blends into the background and fits into any home