This product is a radiator thermostat, suitable for home heating equipment. Convenient installation and simple operation. temperature can be controlled through mobilephone app, so that you can enjoy appropriate temperature as soon as you get home. There are WiFi and versions for you to choose from. Features: 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. Wireless controlling your house radiator no matter where you are via mobilephones. Programmable schedule with weekly programming selection: Supports manual set weekly schedule with 4 periods for each day, providing you with 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. Compatible with and Home: Using simple voice command for house temperature control for more convenient experience by adding this radiator controller into or Home. Window check and temperature calibration are supported in APP. Data Logging and Child Lock Function: Smart APP will record temperature statistics with current and set temperature, as well as valves opening degree, allowing you to understand working status of product more intuitively; designed with child lock feature to prevents misoperations by your kids, packed with 6 different adapters to meet different matching demand. Specifications: Type: WiFi, (optional) Accuracy: 0.5°C Set Temp. : 5-35°C Storage Temp.: -5-45°C Surface Temperature: 90 Max (at radiator) Connection: m30 * 1.5mm Linear Travel: 4.3mm Waterproof: IP20 Battery: 3 * AA battery (not included) App: Smart/Smart APP Item Size: 97 * 58.4 * 58.4mm / 3.8 * 2.3 * 2.3in Item Weight: 118g / 4.2ounce Package Size: 137 * 74 * 63mm / 5.4 * 2.9 * 2.5in Package Weight: 196g / 6.9ounce Note: WiFi model does not need a gateway, and model needs to be used with a gateway. Packing List: 1 * Temperature Controller 1 * User Manual 6 * Adapters 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. Wireless controlling your house radiator no matter where you are via mobilephones. Programmable schedule with weekly programming selection: Supports manual set weekly schedule with 4 periods for each day, providing you with 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. Compatible with and Home: Using simple voice command for house temperature control for more convenient experience by adding this radiator controller into or Home. Window check and temperature calibration are supported in APP.