ECO mode offers -saving solution-You can set the -saving temperature by yourself. When the -saving mode is turned on, the thermostat can maintain the temperature at the -saving temperature to save . Frost protection-With frost protection turned on, when the temperature drops below 5°C, the thermostat automatically starts heating to keep your home warm. Child lock-In order to avoid the danger or waste of electricity caused by children touching the switch by mistake, add a security . Temperature calibration-In case of the temperature variation between the floor and the air, you can set the calibration value by App, to make sure the final temperature reaches your perfect value. Suitable for various hidden box-Compatible with standard 86mm square cassettes and 60mm european cassettes to meet all installation environments., Weight: 0.47619848592 Pounds, Manufacturer: Oewwthy