Feature Highlights: 1. App Remote Control – Download the Smart Life/Tuya Smart app on your phone or tablet to control the radiator thermostat valve anytime, anywhere. 2. Hands-Free Voice Control – Compatible with leading voice assistants for smart home systems, enabling simple voice commands to operate the TRV. 3. Programmable Weekly Schedule & Time Periods – Set a 7-day weekly program with up to 4 time periods per day via the app. 4. Family Share Function – Share TRV access with family members with limited rights, and build a smart home together. 5. Smart Linkage Function – Connect with other smart appliances to create automated scenes such as Leave Home, Back Home, Dinner, and Sleep modes. 6. Child Lock – Prevents accidental operation by children, keeping your home smart and secure. 7. Group-Control Function – Group TRVs in different rooms for synchronized control in specific scenes. Product Details: This smart thermostatic radiator valve (TRV) enables precise temperature management and energy savings through flexible app control, voice commands, and customizable scheduling. It supports smart linkage with other devices for full-scene automation, and includes a child lock for safety. The package includes 6 valve adapters, fitting 97% of radiator valve interfaces on the market. Specifications: - App: Smart Life / Tuya Smart - Voice Control: Compatible with major voice assistant platforms - Frequency: 2.4GHz - Battery: 2 × AA Alkaline (LR6) - Battery Life: Up to 6 months - Temperature Range: 5 °C – 60 °C - Display Range: 0 °C – 60 °C - Constant Temperature Tolerance: ±1 °C - Temperature Sensor: Wireless - Wireless Protocol: Zigbee 3.0 - Connection: M30×1.5mm - Max Travel: 6mm - Working Temperature: -10 °C to 40 °C - Environment: Indoor use - Anti-frost Protection: Yes - Programmable: Yes - Color: White - Material: Plastic Package Includes: 1 × Zigbee Smart Gateway (Wireless Hub for Home Automation and Zigbee Device Control) 1 × Thermostatic Radiator Valve (TRV) 6 × Valve Adapters Note: Slight color variations may occur due to lighting and screen differences. Measurements may have an error margin of ±1–3 cm.