This is the Google Nest 3rd Gen Pro Smart Thermostat in stainless steel. It is a wall-mounted device that can be powered by battery or wired configuration. The thermostat is made of high-quality steel material and comes with a wireless feature for easy access to your home's temperature settings. It is a perfect addition to your home heating, cooling, and air system, and it's easy to program for your convenience. Brand new, sealed, unopened box, selling due to change of plans in the property where this was to go into.