General description The Smart Thermostatic Radiator Valve is a compact and efficient device designed to control heating in your home. Featuring a simple and clear LCD and LED display, this radiator thermostat operates using two AA batteries. It is primarily used in underfloor heating systems to manage the opening and closing of pipelines, ensuring optimal indoor temperatures. Technical specifications Power supply: 2 x AA 1.5V alkaline batteries (not included) Working temperature: -10 ~ 40 °C Constant temperature error: ± 0.7 °C Temperature range: 5 ~ 30 °C Compatibility and accessories Compatible with Tuya ZigBee Wireless Gateway Hub (required for operation) Works with Tuya/Smart Life app for remote control Supports voice control via Alexa and Google Assistant Installation Add your ZigBee gateway to the app Connect the radiator actuator to the gateway in the app Usage Programmable schedules: Supports 5+2, 6+1, and 7-day weekly schedules with 6 time slots Modes: Automatic mode and boost mode available Window detection feature: Valve closes for 15 minutes when room temperature drops below a set threshold Easy-to-read Celsius digital temperature display