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, primarily 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 linkage 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 weekly scheduling options 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 preferences. Voice and Remote Control Compatibility: Supports remote control via smartphone app and hands-free voice control through Alexa and 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 set threshold, the valve automatically 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: 2x AA 1.5V LR6 batteries (not included) Working Temperature: -5°C to 45°C Temperature Control Accuracy: ±0.7°C Adjustable 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: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement tolerances may vary by +/- 1-3 cm.