For use with combi boilers. Designed for new building installations. Temperature adjustment and mode control via thermostat touch screen. Automatic frost protection. Can be installed on gas or LPG systems, oil boilers and certain electric boilers. Hub not included. Works with - Amazon Alexa - Apple HomeKit - Google Home - iOS App - Android App 5-32°C Temperature Range Suitable for Combi Boilers Battery-Powered Thermostat 2-Wire Receiver LED Display 2 Year Guarantee Daily Heating Schedules Ready By Pre-Heating Smart Hub Required Works with - Amazon Alexa - Apple HomeKit - Google Home - iOS App - Android App 5-32°C Temperature Range Suitable for Combi Boilers Battery-Powered Thermostat 2-Wire Receiver LED Display 2 Year Guarantee Daily Heating Schedules Ready By Pre-Heating Smart Hub Required