The Nest Learning Thermostat 2nd Generation in Stainless Steel comes with a heatlink, making it easy to install and use. This programmable thermostat boasts a sleek silver design and features with a digital display. It is compatible with various heating systems like heat pumps, packaged air conditioners, and underfloor heating. The thermostat has a 7-day programmable schedule for optimal energy usage. The thermostat is not supported by the Nest App, but is in full working order as a manual thermostat.