Smart Thermostat, RF Wireless Digital Heating Thermostat with LCD Programmable Modbus Wireless Digital LCD Display Room WiFi Smart Smart WiFi Thermostat with LCD Display for Home Control Smart Room Programmable Practical Digital Thermostat Home LCD Vicedeal. Features: Remote? Control? and? Voice? Control Connect the thermostat remotely via a Wi Fi connection to control the temperature of your home from your smart? phone; compatible with Amazon Alexa and Google Assistant for voice control to free your hands. Thermostat? Programmable It includes manual and programmable modes, allowing you to customize 5 + 2 days 6 periods to adapt to your lifestyle; therefore, it avoids wasting energy when you are away and ensures that your home is exactly as you like it when you arrive. Easy? Installation The built in thermostat is easy to mount according to the user manual, suitable for 60 mm square, 86*86 mm or European round models (not included) Extended? Compatibility Mainly applicable to wall boilers, NC NO valves, heat pumps and other water heaters, for water heating. Multifunctional This thermostat also features a memory function and a child lock function, which provide better control and ensure the safety of children; it is designed with an elegant appearance, a large LCD screen and a touch screen for quick and easy operation. Note: The plumbing thermostat can only control the ground heating and gas wall hung boiler. It is a 5A relay without external sensors, because the heating equipment does not need to be temperature protected like electric heating. Electric heating thermostat can only control electric heating wire, electric heating film and wall warming plate, because they are all 16A, and need external sensors to limit the temperature of heating equipment, thus protecting equipment safety. Specifications: Type: Digital Thermostat Quantity: 1pc Material: PC, ABS Color: White Plug: EU and UK Display: 64 x 64 mm LCD screen Power Supply: AC100~240V, 50 60HZ Current Charge: 3A?(Water Heater Control) 16A (Electrical Heater Control) Display Accuracy: 0. 5 C Setting the Temperature Range: 5 35 C Display Temperature Range: 0 40 C Working environment Temperature: 0 99? C Consumption Power: <0. 3W Temperature Sensor: NTC? Support system: for iOS 9. 0 or higher, for Android 4. 0 or? superior Protection class: IP 20 Size: 8. 6*8. 6*1. 3cm 3. 4*3. 4*0. 5 Net Weight: 220. 0g 7. 8oz Package: 1* Digital Thermostat 1* External Sensor 1* User Manual Cannot ship to PO boxes. International orders (Outside of USA) will be shipped from our China warehouse.