Feature: Minco ME81H Tuya WiFi Smart Thermostat APP Control Temperature Controller For Electric Floor Heating Water/Gas Boiler.  Memory Function Memorize all your settings after sudden power-off . When power is on again , you do not need to reset it.  Programmable Function Support 5 + 2 , 6 + 1 or 7 days Weekly Programmable , six periods programmable controlling temperature setting.  Children lock to avoid misoperation.  Wifi function-The wifi thermostat can be controlled by Mobile APP wherever you are.  APP support most of Popular languages.     Specification:  Power Supply : 110 ~ 230VAC , 50 ~ 60Hz;  Set temperature range : 5 - 90°C;  Accuracy : 1℃;  Sensor : NTC3950 , 10K ± 1% ( about 3 meters sensor only for electric type );  Power Consumption : < 1.5W;  Color : Black;  Shell material : PC+ABS ( flame retardant );  Ambient Temp : 0-45℃ , 5-95％RH ( Non-condensing );  Storage Temp : -5-55℃;  Installation Hole distance : 60mm ( suit for Europe standard size mounting box );  Dimension : 86 x 86 x 40mm;     Note: Only 16A electric heating model includes the external sensor.  ME81H Water Wifi : Water floor heating to control NO NC actuator or the electromagnetic valve with WiFi function , 3A.  ME81H Electric Wifi : Electric floor heating with WiFi function , 16A.  ME81H Gas Boiler Wifi : Gas boiler , Water floor heating to control NO NC actuator or the electromagnetic valve with WiFi function , 3A.     Package Include: Smart Thermostat x 1;  Manual x 1