Get more smart valves with this Hombli thermostat expansion kit. You can use the easy weekly schedules to switch on your radiators before stepping in so you don't have to wait shivering in the cold. Need your bedroom to be warmer than your kitchen? You can adjust each room's temperature separately keeping the warmth where it's needed most. And with the temperature sensor, you'll be able to detect any open doors and windows so you can get rid of any cold drafts. Good to know - Control and monitor multiple radiators by connecting it to the Hombli app  - Check your room's temperature graph, and the hours your heater was on, to see exactly how energy you used - Ask Siri to reduce your room's temperature as it's works with a bucket full of apps like Alexa and Google Assistant - Stop your pipes from freezing during your winter vacation -just set it to turn on the valve as often as you need_______________________________________________________________________________________________________________________________________Please note: A compatible hub (sold separately) is required to connect your smart home device.