Add-on for individual control of radiators or rooms, offering possibility of additional energy savings. Can be mounted vertically or horizontally, and operated via the Tado app. Offers 7-day, 5/2 day and 24hr programmable functionality. Includes manual override, geofencing and LED display. To be used in conjunction with the Tado Starter kit and works with Amazon Alexa, Apple HomeKit and Google Assistant. Battery-powered. Works with - Amazon Alexa - Apple HomeKit - Google Home - iOS App - Android App 0-25°C Temperature Range Electronic Sensor 7 Day, 5/2 Day or 24 Hour Programmable Multiple On / Offs Over 7 Days LED Display Mounted Vertically or Horizontally Some Installation Required Smart Hub Required Works with - Amazon Alexa - Apple HomeKit - Google Home - iOS App - Android App 0-25°C Temperature Range Electronic Sensor 7 Day, 5/2 Day or 24 Hour Programmable Multiple On / Offs Over 7 Days LED Display Mounted Vertically or Horizontally Some Installation Required Smart Hub Required