For use with system and conventional boilers with a separate hot water tank. Designed for new building installations. Offers control via the Hive app. Automatic frost protection. Temperature and mode also adjustable via thermostat touch screen. Can be installed on gas or LPG systems, oil boilers and certain electric boilers. Hub required for app use and hot water control (sold separately). Works with - Amazon Alexa - Apple HomeKit - Google Home - iOS App - Android App 5-32°C Temperature Range Suitable for System & Heat Only 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 System & Heat Only Boilers Battery-Powered Thermostat 2-Wire Receiver LED Display 2 Year Guarantee Daily Heating Schedules Ready By Pre-Heating Smart Hub Required