With the smart radiator thermostat by Hama, you can control the heating from anywhere and program heating scenarios, but also change settings spontaneously. Simply swap your radiator thermostat for the Smart Home thermostat, Smart and sleek design, Use the Smart Home app to adjust the thermostat from anywhere, Simple setup in a matter of minutes, High compatibility: Works with Amazon Alexa, Google Assistant, Siri Shortcuts, Home Connect Plus, iOS and Android, Includes adapters for use with almost all heaters e.g. Danfoss RA, RAV, Caleffi and Giacomini, With away mode, anti-freeze automation, valve protection function against calcification and open window detection. Includes: 1 x Smart Home radiator thermostat 2 x AA batteries 1 x Adapter set 1 x Quick start guide Thread/connection: M 30 x 1.5 Note: only works in combination with the Hama heating control panel. Requires Android 4.4 or iOS 8.0 operating system or later.