Smart Tuya ZigBee Radiator Actuator Thermostat: New mini design with a simple and clear LCD display screen on the body. The radiator thermostat features an LCD digital display and is powered by 2x AA batteries. It is a special valve designed for use with heating radiators. Allows manual setting of indoor temperature, mainly used in floor heating systems to control the opening and closing of pipes. MQTT setup available. A Tuya ZigBee Wireless Gateway Hub is required: A ZigBee wireless hub is necessary to connect the valve and other ZigBee smart products, enabling full integration and联动 of smart home devices. Simply add your gateway to the app, then add your radiator actuator to the gateway via the app. Programmable Schedule with Weekly Programming Options: Supports manual setup with 5+2, 6+1, and weekly scheduling options, offering up to 6 time periods per day. Provides maximum convenience for different scenarios and allows customized temperature scheduling. Holiday mode, automatic mode, and boost mode are available. Choose between workday and weekend modes to suit your preferences. Voice and Remote Control Compatibility: Supports remote control via smartphone app and hands-free voice control through Alexa and Assistant after connecting the valve to the Tuya/Smart Life app using a compatible Tuya ZigBee Wireless Gateway. Open Window Detection: When room temperature drops suddenly below the set threshold, the valve closes for 15 minutes. If the temperature remains below the threshold after this period, the valve stays closed. Features an easy-to-read digital display showing temperature in Celsius. Power: 2 x AA 1.5V LR6 batteries (not included) Working Temperature: -5°C to 45°C Temperature Control Accuracy: ±0.7°C Temperature Range: 5°C to 30°C Thread Size: M30x1.5mm Color: White Material: Composite Materials Package Contents: 1 x Thermostat (TRV) 1 x RA Adapter 1 x Adapter 1 x RAVL Adapter 1 x Adapter 1 x Adapter 1 x M28 Adapter Only the items listed above are included. Other products are not included. Note: Lighting effects and display differences may cause slight variations in the color shown in images compared to the actual product. Measurement error allowance: ±1-3 cm.