Energy Consumption SavingIn addition to providing you with a convenient and suitable temperature, the wifi thermostatic valve can also make your life safe and worry-free: window detection function, child lock function, sleep function, low battery alarm reminder function, etc. Control at Remote Control Turn on Bluetooth, you can quickly connect the thermostatic valve to the SmartLife or Maxcio APP. Then, it is easy to set the temperature of your radiator for the week. This automatic thermostat can schedule the temperature four times a day. Maxcio Gateway Hub(Optional) By using with the Maxcio gateway, this thermostatic valve can be more intelligent. For example, voice control via Alexa/Google home, remote control away from home, family sharing, etc. You can say "Alexa, turn on the thermostat" "Alexa, set the thermostat temperature to 26C". Please search: MAXCIO Gateway/B0CBPY7MS4 Adapter Included This programmable thermostatic head is suitable for radiators with M30*1.5mm threaded valve interface, compatible with Danfoss, caleffi or Giacomini.Note: Requires two 1.5V AA alkaline batteries (LR6), not included in the package, please purchase them yourself