WIDE COMPATIBILITY: The Additional Smart Radiator Thermostats are compatible with more than 90% of hot water radiators and include adapters to install them on your Smart Radiator Thermostat bodies. (This programmable thermostatic head is suitable for radiators with M30 * 1.5 mm threaded valve interface, compatible with Danfoss, caleffi or Giacomini). REMOTE CONTROL: Activate Bluetooth, you can quickly connect the thermostatic valve to the SmartLife or TuyaSmart APP. Then, it's easy to set the temperature of your radiator for the week. This automatic thermostat can program the temperature four times a day.【BLE control distance:＜10m】 PRECISE TEMPERATURE CONTROL: Thanks to the Connected and Intelligent Thermostatic Head, control your heating easily, save energy and enjoy maximum comfort at home. SAVING ENERGY CONSUMPTION: In addition to providing you with a convenient and suitable temperature, the thermostatic valve can also make your life safe and worry-free: window detection function,