The Google Nest Thermostat in Fog color (Model: GA02083-US) is a smart, programmable Wi-Fi thermostat designed to help you save energy and stay comfortable. It can be controlled remotely using the Google Home app on an Android or iPhone device. The thermostat also works with Google Assistant and Amazon Alexa for voice control. It features an auto-away mode which turns itself down when you leave the house to save energy, and a Savings Finder feature looks for more ways to help you save. Installation is designed to be a do-it-yourself process, typically taking 30 minutes or less, and it is designed to work in most homes without a C wire. It has a sleek design with a mirrored glass finish and a touch-bar on the side for manual temperature adjustments. It is an ENERGY STAR certified product