Smart thermostat with energy-saving Auto-Schedule and TruRadiant technology, learns about the home and user temperature preferences to create a schedule, using energy only when needed to help save money. Features Home/Away assist which provides automatic adjustment to temperature and hot water if the home is empty. · · · Works with – Amazon Alexa – Google Home – iOS App – Android App · · 9-32°C Temperature Range · · Suitable for All Boilers · · Mains-Powered with Battery Backup Thermostat · · 2-Wire Receiver · · Backlit LCD Display · · 3 Year Manufacturer’s Guarantee, extended to 5 Years if installed by a Nest Pro Installer (Registration Required, T&Cs Apply) · · Hub Not Required, Internet Connection Required