Multi-room control offers ability to set preferred temperature in individual rooms by use of an app, consuming only the amount of energy required and therefore saving money. Suitable for use with all conventional radiators with thermostatic valves, simply replacing old thermostat. No special tools or expertise required (adaptors included). Can be installed vertically or horizontally, depending on radiator type. All starter kits compatible with Basic add-ons. Works with - Amazon Alexa - Apple HomeKit - Google Home - iOS App - Android App 5-25°C Temperature Range Electronic Sensor 7 Day & 24 Hour Programmable Multiple On / Offs Over 7 Days LED Indicators Requires Tado° Starter Kit (V2, V3, V3+) with Internet Bridge Geofencing Open Window Detection Smart Hub Required Works with - Amazon Alexa - Apple HomeKit - Google Home - iOS App - Android App 5-25°C Temperature Range Electronic Sensor 7 Day & 24 Hour Programmable Multiple On / Offs Over 7 Days LED Indicators Requires Tado° Starter...