Feature:1. Multifunctional:The intelligent thermostat has functions such as temperature collection display, temperature compensation, anti freeze protection, high temperature protection and APP remote control.2. Wide Application: The intelligent thermostat can be used to control underfloor heating devices with built in sensors for room temperature measurement and control of the room temperature, preventing the heating devices from burning out due to high temperatures.3. LCD Large Display: The intelligent thermostat has a large LCD high definition screen accuracy liquid crystal display, high accuracy temperature control, stable performance and compact design.4. Easy Control: The display of this smart thermostat can be turned on with one touch manually. You can also easily control multiple smart thermostats with one mobile phone or one smart thermostat with multiple mobile phones.5. APP Remote Control: You can use your mobile phone to control your various home appliances remotely via the for Tuya app, making your home smarter.6. Working Principle: The intelligent thermostat uses control of the gas stove form, for example, a controller is installed in each room with a linkage signal, all connected, connected to the top of the gas stove, the first room temperature is reached, it breaks the solenoid valve, the temperature of other rooms is not reached, the gas stove continues to work, and so on all rooms temperature is reached, the gas stove stops.7. Protect Personal Scurity: Furnace heating is different from ordinary electric heating and water heating, it produces heat in the case of a gas furnace, and the wiring method is different from electric heating, compared to electricity, furnace heating is less afraid of electric shock than electric heating, more protective of personal security.Specification:Item Type: Intelligent ThermostatMaterial: ABSModel: MH1823LBasic Parameters:Power Supply: AC85V 265V 50 60HzPower Consumption: <2WLoad Current: 3ADisplay Temperature: Range -20 to 95C -4 to 203FControl Accuracy: 1 Temperature Sensor: NTCSet Temperature Range: 5 to 50 41 to 99Display Mode: LCD displayConnection Mode: Wireless WIFI (2.4GHz)Dual Operation: Touch button control, APP remote controlHow to Use1. Switching On And Off: Press the Power On button to switch on the device in the off state, and press the Power On button to switch off the device in the on state, press and hold the Power On button for 10 seconds in the on state to restore the system to factory values. Setting. 2. Clock Setting: In the power on state, press the Clock key with the minutes flashing, press the ^ key or the V key to set the minutes, press the Clock key again with the hours flashing, press the V key to set the minutes. Press the Clock key again and the hour flashes, press the ^ key or the V key to set the hour, press the Clock key again and the week flashes, press the ^ key or the V key to set the hour. Press the ^ key or V key to set the day of the week, press the clock key again to exit, you can press the M key directly to exit or to exit automatically after 20 seconds of no operation. No need to set the time after networking, the device will update the time automatically. 3. Setting Temperature: In the power on state, press ^ to increase the setting temperature, short press v to decrease the setting temperature. 4. Child Lock Operation: In the power on state, press and hold the ^ key and press v for 5 seconds to open the child lock function, press and hold the ^ key again and press v for 5 seconds to unlock the lock. The lock symbol is displayed when the child lock is locked and not when it is unlocked. 5. In the power on state M button can switch between manual mode or automatic mode. Press and hold the M button for 5 seconds to enter the leave mode setting..Package List:1 xIntelligent Thermostat2 x Screw1 x English Instruction Manual