The Nest Learning Thermostat 2nd Generation in Stainless Steel is a smart home accessory that offers wireless connectivity and compatibility with Google Home/Assistant. This programmable thermostat features a sleek silver design with a 1.76-inch colour screen for easy control. With 7-day programming and two heat stages, it provides energy-efficient heating and cooling. The thermostat also includes features such as frost protection, digital display, and app control, making it a convenient and environmentally-friendly choice for home climate control. Working fine. Also included is the Heat Link for connection to the boiler.