Take control of your home's heating with the SONOFF Zigbee Thermostatic Radiator Valve. This smart valve allows you to precisely regulate temperature, ensuring a comfortable and energy-efficient environment.Key Features: * Smart Control: Manage your heating settings via the app, voice control, or set schedules for different times of the day. * Open Window Detection: The valve automatically turns off when a window is opened, preventing unnecessary energy waste. * Zigbee 3.0 Compatibility: Works seamlessly with Zigbee 3.0 hubs, including SONOFF NSPanel Pro, ZB Bridge Pro, and ZBDongle-E. * Universal Compatibility: Fits existing 'M30 x 1.5mm' radiator valves and is compatible with most heating systems. * Safety Features: Equipped with a child lock to prevent mishandling and frost protection to ensure your pipes don't freeze and burst. Additional Information: * Model: TRVZB * Color and material: White PC * Wireless Connection: Zigbee 3.0 * Input: 4.5V⎓(3×1.5V AA Batteries) * Battery Model: 1.5V LR6 Alkaline AA Battery * Threaded Connection: M30x1.5mm * Temperature Setting Range: 4°C-35°C * Product Dimension: 59.4×59.4x95mm / 154g * Documents: User Manual and Certification https://elecena.pl/product/27745691/itead-sonoff-zigbee-thermostatic-radiator-valve 2025-01-23 https://elecena.pl/product/27745691/itead-sonoff-zigbee-thermostatic-radiator-valve 2025-02-24 https://elecena.pl/product/27745691/itead-sonoff-zigbee-thermostatic-radiator-valve 2025-11-22 https://elecena.pl/product/27745691/itead-sonoff-zigbee-thermostatic-radiator-valve 2026-02-21