SONOFF TRV Gen2 Zigbee Thermostatic Radiator Valve TRV-ZBT | Compact Design & IPS Color Screen, 3 Schedules, External Temp Sensing, and Energy-Saving Heating Control, Compatible with HA

[Compact Design & IPS Color Screen] The compact design saves installation space and fits various radiator setups. The high-resolution IPS color screen clearly displays temperature, status, and settings. The screen supports 4-way rotation, ensuring a clear front-facing display from any installation direction. [Smart Schedule for Precise Temperature Control] Supports 3 schedule plans and up to 12 time periods per day. Automatically adjusts the temperature based on different routines, providing personalized heating comfort and reducing the need for frequent manual adjustments. [External Temperature Source + Dual Window Detection, Precise Energy-Saving Control] Connects with temperature sensors to detect actual room temperature, reducing radiator heat interference for more accurate and comfortable heating control. Window sensor linkage and automatic detection help reduce heating waste and save energy. [Comprehensive Smart Protection] Built-in frost protection prevents freezing damage in cold weather. Weekly anti-calcification mode reduces valve buildup and sticking. Supports low battery and window detection alerts with customizable valve status settings to extend service life. [Zigbee Ecosystem Compatibility] Using Zigbee 3.0, it integrates easily with popular smart home platforms like Home Assistant, enabling flexible automation and smarter automatic temperature control across your connected home ecosystem. [Update Before Use] For more stable temperature control, update the firmware to v1.1.0+ via the eWeLink App or Home Assistant (Z2M / ZHA) before first use.