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 (not included). 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 automation of your 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 full weekly scheduling across 6 time periods. Offers maximum convenience for different scenarios and allows customized temperature schedules. Includes holiday mode, automatic mode, and boost mode. Choose between weekday and weekend modes to suit your routine. Voice and Remote Control Compatibility: Supports remote control via smartphone app. Enables hands-free voice control through Alexa and Google Assistant after connecting the device to the Tuya or Smart Life app using a compatible Tuya ZigBee Wireless Gateway. Open Window Detection: When room temperature drops rapidly below the threshold, the valve closes for 15 minutes. If the temperature remains below the threshold after this period, the valve stays closed. Features easy-to-read digital temperature display 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 Settable Temperature Range: 5°C to 30°C Thread Size: M30x1.5mm Color: Black 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 Note: Only the items listed above are included. Other products are not included. Note: Lighting effects and display differences may cause slight variations between the product color shown in images and the actual item. Measurement may vary by +/- 1-3 cm.