New Fashion and Generous Design with Rotatable Screen:New LED dot matrix display with super torque output,up to 8 nm , TRV controller.Differs from original traditional display on the valve body resulting in reading trouble from the installation position,this new version is featured as rotatable screen that allows you to read it from different angles,providing with much more comfortable user experienceZigBee Smart Long Battery Life Thermostatic Radiator Valve with Tuya ZigBee Hub Required:This is the new ZigBee type as ultra-low power ZigBee technology with Tuya ZigBee hub required for higher compatibility than other hubs for simple Tuya Smart APP access,wireless controlling your house radiator valve no matter where you are via smart phones with Auto and Manual mode optional in APP to enjoy the most comfortable temperature and cost-saving way without purchasing a hubProgrammable Schedule with Weekly Programming Selection:Supports manual set weekly schedule with 4 periods for each day ,providing you with the maximum convenience for different situation and setting customized schedule for your house temperature.Auto mode,manual mode and ON/OFF mode are optional for added convenience;Energy saving in a real sense with temperature ceiling and lower limit setting functional in APP.using simple voice command for house temperature control for more convenient life experience by adding our smart radiator valve controller into Smart Life APP before being linked by Alexa or Google Home ;Window check and temperature calibration are supported in APP for added convenience.data Logging and Child Lock Function:The Tuya Smart APP will record the temperature statistics with current and set temperature,as well as valve opening degree, allowing you to understand the working status of the product more intuitively;designed with child lock feature to prevent misoperations by your kids;packed with 6 different adapters to meet different matching demand Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.