Tuya WiFi Smart Thermostat Electric Floor Heating TRV Water Gas Boiler Temperature Voice Remote Controller for Google Home Alexa User operation : 1. Press the power button to switch the system on or off. 2. Press the quot; M quot; key to select quot;cycle control modequot; or quot;manual modequot;. 3. At power on: Press quot; quot; or quot; quot; key to set the temperature and adjust the system parameters. Press and hold the quot; quot; E quot; quot; key at the same time for 5 seconds to enter the key lock function. 4. In the off state. 1) After power on, it will automatically enter WiFi network setting mode and WiFi signal will flash slowly. 2) Press and hold the quot; quot;Equot; quot; key at the same time for 5S, the buzzer will sound 3 times and the screen will show full screen. Then press the power button, the wifi signal will flash slowly. Function: -Voice control - Works with Amazon Alexa, Google Home -Touch LCD display - Stylish look, single-sided design, scratch-resistant Large LCD touchscreen with backlight for easy reading. -App control - Smart thermostat that can be controlled from your phone before you go home -Manual/automatic mode - Free choice of manual or automatic mode depending on the application. -Precise temperature measurement - The sensor has a built-in floor sensor that senses the ambient temperature and the floor temperature. Automatic temperature acquisition with an accuracy of 1C. Weekly programmable - the thermostat supports different temperature settings according to 6 daily time patterns. -Memory function - no need to worry about power failure, power failure data memory. -Child lock - The keypad lock function is designed to prevent misuse by children. -Application - Suitable for electric heating / water gas boiler / hot water. Ideal for homes, offices, shopping centres, hotels, etc. -Anti-freeze In the off state, the thermostat will automatically switch on the heating when the ambient temperature is below 5C. The thermostat will automatically switch off the heating when the ambient temperature is above 7C.