:The thermostat detects the room temperature. When the actual room temperature is lower than the set temperature, the thermostat controls the boiler to start working. When the actual room temperature is higher than the set temperature, the thermostat controls the boiler to stop workingFeatures:Manual/Automatic ModeFree to choose manual or automatic mode.Accurate TemperatureAutomatic temperature acquisition with 1 accuracy.Weekly Programmable The thermostat supports different temperature settings for 6-time modes per day.Child Lock The Keypad lock function is designed to prevent children from misuse.UsageSuitable for gas boiler/heating. for home, office, shopping mall, hotel, etc.LCD digital display The gas boiler thermostat adopts an LCD digital displayParameter:Model: ME83Name: Gas boiler thermostatTemperature sensor: NTC thermistorTemperature Accuracy: 1Temperature Setting: 5-90Product Size: 86*86*30mmDisplay: LCD screenFrame color: whiteBacklight Color: White/Blue/OrangeButton: touch the buttonMaterial: flame retardant PC+ABSAdditional function: weekly programming/power-off memoryCurrent: 3AVoltage: Two 1.5V batteries (not included in delivery)Protection level/shell material: IP20 / flame retardant PCPackage IncludesSmart Thermostat *1Manual *1