Aqara Smart Radiator Thermostat E1 3-pack, requires Aqara Zigbee 3.0 Hub, voice control, geofencing support, compatible with HomeKit, Alexa, Google Assistant, and IFTTT.

"Please note: Aqara Zigbee 3.0 Hub is required and sold separately. The Aqara Smart Radiator Thermostat E1 is compatible with a variety of ecosystems and voice assistants, including HomeKit, Alexa, Google, and IFTTT. The upcoming Matter is also supported. The E1 radiator thermostat fits directly onto most radiator valves (thread connection: M30×1.5 mm) or with our adapters (adapters RA/RAV/RAVL are included). External Temperature Readings: The Aqara Smart Radiator Thermostat E1 can receive temperature readings directly from the connected Aqara Temperature and Humidity Sensor from a different corner of the room, even in HomeKit. The temperature control will be more accurate for the entire room, and the thermostat can adjust the radiator based on the actual room temperature. Energy Savings: When the Aqara Smart Radiator Thermostat E1 is connected to the Aqara Door and Window Sensor or the Aqara Motion Sensor, it turns off the heating when it detects that the door or window is open or no movement is detected for a certain period of time. In addition, schedules can be set for desired periods such as day or night. It can automatically open or close the radiator valve and reduce your energy consumption. Geofencing and Support for Multiple Apartments: No more entering a cold apartment. When you set up geofencing, the radiator thermostat E1 will start heating the apartment before your arrival. Even if you own more than one apartment, you can set up automations for each of these apartments independently. Support for Grouping Different Devices: If there are multiple radiators in a room, they will all be synchronized in the most efficient way based on the actual room temperature."