General description This Smart Radiator Thermostatic Valve features a compact design with a clear LCD display and LED indicators. It is powered by two AA batteries and is designed to control the opening and closing of pipes, primarily for underfloor heating systems. The valve allows for manual temperature settings and offers advanced programming options for enhanced convenience. Technical specifications Power supply: 2 x 1.5V AA alkaline batteries (not included) Operating temperature: -10 to 40°C Constant temperature error: ±0.7°C Temperature range: 5 to 30°C Compatibility and accessories Compatible with Tuya ZigBee Wireless Gateway Hub (required for full functionality) Works with Alexa and Google Assistant for voice control Installation Add the ZigBee gateway to the app Connect the radiator actuator to the gateway via the app Usage Supports manual programming with options for 5+2, 6+1, and 7-day schedules Offers 6 time slots for customized temperature settings Features automatic mode