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. The Nest Temperature Sensor will allow you to customize temperatures from room to room. It will let you know which room should be what temperature throughout the day. This sensor is compatible with Nest thermostats and goes discreetly on a wall or shelf. Color: White.