Smart thermostat starter kit with new heating algorithm and multi-room control offers greater comfort, savings and control, plus platform connectivity. Features an improved interface on the thermostat itself and new Smart Schedules in the app to make heating control even easier. Phone location is used to control heating, ensuring no energy is wasted and the smartphone app permits full control over your heating wherever you are. For homes with an existing wired thermostat on a combi boiler (i.e no hot water tank). Features weather adaptation and open window detection. Compatible with 95% of heating systems. Works with - Amazon Alexa - Apple HomeKit - Google Home - iOS App - Android App Temperature Range Suitable for All Boilers Thermostat Compatible 1 Year Guarantee Geofencing Smart Hub Supplied Works with - Amazon Alexa - Apple HomeKit - Google Home - iOS App - Android App Temperature Range Suitable for All Boilers Thermostat Compatible 1 Year Guarantee Geofencing Smart Hub Supplied