The Google Nest Learning Thermostat 3rd Gen in Mirror Black is a programmable thermostat with a 7-day schedule that can be controlled through the Nest app, Google Home/Assistant, or Amazon Alexa. It features a circular design and can be wall-mounted using the included mounting hardware. The thermostat is powered by a corded electric source and includes a display base and trim plate. With smart features such as automatic changeover, built-in WiFi, and energy reporting, this thermostat offers convenient control and energy savings for your home heating and cooling needs.