SONOFF Zigbee Thermostatic Radiator Valve,Add-On Smart Radiator Valve for Smart Home Control, Easy Installation, Save Heating Costs,Works with Alexa, Google Home, TRVZB, 4 Pack

Home Assistant Compatible: Integrates seamlessly with Home Assistant using Zigbee2MQTT, offering smart thermostat control, energy efficiency, and convenience for managing your home's heating system effortlessly.
Save Energy: The SONOFF smart radiator valve will automatically turn off when ventilating to save money and energy. It also supports 6 months of historical data queries, for daily, weekly, and monthly heating consumption views.
Smart Control: Our thermostatic radiator valve has various smart functions, including APP remote control, voice control, set schedule, group control, etc, making your life smart.
Zigbee 3.0 Hub: Enjoy more functions of the radiator thermostat valve via the eWeLink APP, it requires a Sonoff Zigbee 3.0 hub, such as ZBBridge-P, ZBBridge-U, NSPanel Pro, iHost, and more.
Valve Percentage Opening: The SONOFF Zigbee radiator valve supports opening ratios from 0% to 100%, with an accuracy of 1%. This design is to bring a comfortable room temperature.
Compatible with Most Valves: The SONOFF radiator thermostat fits existing ‘M30 x 1.5mm’ radiator valves, and the valve adapters in the package are compatible with most heating systems and manufacturers.
Note: This item doesn't include 3 AA batteries.