Features:_x000D_ LED dot matrix display, new TRV controller. Rotatable screen that allows you to read it from different angles, providing with much more comfortable user experience._x000D_ Wireless controlling your house radiator no matter where you are via mobilephones._x000D_ Programmable 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._x000D_ Compatible with Alexa Amazon and Google Home: Using simple voice command for house temperature control for more convenient experience by adding this radiator controller into Alexa or Google Home. Window check and temperature calibration are supported in APP._x000D_ Data Logging and Child Lock Function: The Tuya Smart APP will record the temperature statistics with current and set temperature, as well as valves opening degree, allowing you to understand the working status of the product more intuitively; designed with child lock feature to prevents misoperations by your kids, packed with 6 different adapters to meet different matching demand._x000D_ Specifications:_x000D_ Type: WiFi, Zigbee (optional)_x000D_ Accuracy: 0.5C_x000D_ Set Temp. Range: 5-35C_x000D_ Storage Temp.: -5-45C_x000D_ Surface Temperature: 90 Max (at the radiator)_x000D_ Connection: m30 * 1.5mm_x000D_ Linear Travel: 4.3mm_x000D_ Waterproof: IP20_x000D_ Battery: 3 * AA battery (not included)_x000D_ App: Tuya Smart/Smart Life APP_x000D_ Item Size: 97 * 58.4 * 58.4mm / 3.8 * 2.3 * 2.3in_x000D_ Item Weight: 118g / 4.2ounce_x000D_ Package Size: 137 * 74 * 63mm / 5.4 * 2.9 * 2.5in_x000D_ Package Weight: 196g / 6.9ounce_x000D_ Note:_x000D_ The WiFi model does not need a gateway, and the Zigbee model needs to be used with a gateway._x000D_ Packing List:_x000D_ 1 * Temperature Controller_x000D_ 1 * User Manual_x000D_ 6 * Adapters