【Smart Wifi Thermostat】This thermostat is specifically designed for water heating systems. It controls the opening and closing of the electric heating valve, regulating the flow of hot water to achieve the desired room temperature. It operates at a voltage range of 100-240V with a maximum current of 3A. 【Remote Control via WiFi】Using the mobile app, you can easily control and monitor the temperature of your house from anywhere. Turn the thermostat on or off and adjust the temperature conveniently through your phone. 【Programmable Modes】The thermostat offers various automatic modes, including 5+2, 6+1, and 7-day settings. With 6 adjustable periods during weekdays and 2 on weekends, you can personalize temperature settings for comfort and energy efficiency. 【Advanced Functions】Our thermostat is equipped with advanced functions such as child lock, memory function, frost protection, temperature compensation, temperature difference, and restore factory settings. These features enhance usability and efficiency. 【Beautiful and Practical Design】Featuring a unique-piano key design, this thermostat is not only elegant and beautiful but also comes with detailed instructions. The packaging ensures safe delivery and easy installation.