WIFI Smart Boiler 3A Thermostat with Application & Voice Control 2.8 Inch LCD Display Intelligent Programmable Thermostat Description: Smart thermostats support energy-saving mode, flexible and convenient. The button & handwheel operation is more flexible, and more experience. And you can also remotely control the thermostat by an app from your phone. Features: [Smart Control]Supports application operation, easier for scheduling programs, set functions, and checks current states by the application.   [Weekly-programmable]Smart thermostat support up to 6 events that can be set separately for each day. [Voice Control]You can use voice control through Home and Amazon Alexa for smart thermostats. [Handwheel Design]Handwheel operation setting temperature can be specified precisely and intuitively (stepping by0.5°C). [Multifunctional]With a 2.8inch large LCD screen, support weather forecast, frost protection function, child lock function, etc. Specifications: Type(Optional): Electric Heating 16A(Type 1); Water Heating 3A(Type 2); Boiler 3A(Type 3); Fan Coil for 2 Pipe System(Type 4); Fan Coil for 4 Pipe System(Type 5); Floor Heating & Fan Coil for 2 Pipe System((Type 6)   Color: White Design: Wi-Fi Material: PC Power: 3W Max Temperature setting range: 5-95°C Floor Limited range: 20-90°C Degree of protection: IP20 Package Size：10.2*9.6*7cm Package Weight: 231g(Type 1); 172g(Type 2); 174g(Type 3); 182g(Type 4); 193g(Type 5 & 6) Packing List: 1 * Smart Thermostat 1 * User manual