Previously Installed Unit - Hive V3 Thermostat. With box and instructions. 

For use with system and conventional boilers as a new install with smart features. Control heating and hot water remotely via the Hive app. Geolocation and app control enable heating alerts and commands to Hive anytime, anywhere. Features include daily heating and hot water schedules and holiday mode to ensure heating is on prior to returning to the property or as and when required. Automatic frost protection. Can be installed on gas or LPG systems, oil boilers and certain electric boilers. Hub included.