Thermostat: new mini design, with simple and clear LCD and LED display on the body, radiator thermostat with LCD digital display and two AA batteries for power supply, is a heating radiator using special cooperating valves. Manually adjust the indoor temperature, mainly used in floor heating system to control the closing and opening of the pipeline. 2MQTT settings are available.Tuya ZigBee Wireless Gateway Hub is a must: A ZigBee wireless hub is a must, it can connect many ZigBee smart products such as valves and realize the overall linking of your smart home devices . Simply add your gateway to the app, then add your radiator actuator to the gateway in the app. Programmable schedule, weekly scheduling options: supports manual setting of 5+2, 6+1 and 7 day weekly schedules , there are 6 time slots to choose from, to provide you with the greatest convenience, according to different situations, according to your Room temperature settings for personalized programs. Mode, auto mode and boost mode are available. Choose weekday and rest day modes according to your own ideas.Voice and remote control: supports remote control via smartphone APP, and based on this, after successfully connecting your valve to the Tuya/Smart Life app, perform hands-free voice control via Alexa and Google Assistant with a Tuya ZigBee wireless gateway.Window detection: When the room temperature suddenly drops to room temperature. threshold, the valve will close for 15 minutes. always below the temperature. threshold, this mode will be maintained. In addition, the digital Celsius temperature display can be easily read. Parameters: Power supply: 2 x AA* 1.5V alkaline batteries (not included in the package) Operating temperature: -10 ~ 40 Constant temperature error: 0.7 Temperature range: 5 ~ 30