WiFi Smart Thermostat Temperature Controller For Water/Electric Floor Heating Water/Gas Boiler Works With Alexa Google Home            Description:   Type: (optional)     71Ga WiFi: for floor heating water, for controlling no NC actuator or solenoid valve with WiFi function, voice control, 3a.     71gb WiFi: for electric heating with WiFi function, voice control, 16a.     71gc WiFi: for gas-fired boiler, floor heating water, no NC actuator or solenoid valve with WiFi function, voice control, 3a.     Accuracy: 0.5 $8451;     Power: < 1.5W     Color: white     Material: PC + ABS     Ambient temperature: 0-45 ` 8451; relative humidity: 5-95% (non condensing)     Storage temperature: 511-845;     Installation hole distance: 60mm     Format: 86 * 86 * 41mm / 3.4 * 3.4 * 1.6 inches      Specifications:   After power is suddenly switched off, all settings will be remembered. There is no need to reset when the power is on again.    Programmable function, support 5 + 2, 6 + 1 or 7 days per programmable week, six temperature setting programmable control cycles.    Child blocking function prevents children from malfunction.    Wifi function, no matter where you are, is able to control the thermostated wifi connection through the Mobile Application.    Compatible with Alexa voice control. APP supports most popular languages.      Package Included:   1 * controller    1 * external sensor    1 * instruction manual    2 * screw