Features: 1Wireless Control: Wirelessly control the radiator of your house with this smart controller through mobile phone wherever you are. 2Knob Operation: Using knob for easier adjustment of temperature the setting temperature range is 5 to 35. 3Rotatable Screen: The screen is rotatable you can read from different angle obtain a more comfortable user experience. 4Extend Life: Routine decalcification is carried out at 12:00 every Monday to protect the valve from calcification. CR will be displayed on the screen during decalcification. 5Programmable Schedule: Support manual setting of weekly schedule 4 time periods per day providing maximum convenience and setting customized schedule for your room temperature. Specification: Item Type:SmartThermostatRadiatorMaterial: ABSCurrent Consumption: 100mA maximumBattery: 3 AA batteries (not included)Setting Range: 5 to 35 Ambient Temperature: 0 to 50Protection Grade: IP20Connecting Diameter: M30x1.5mm/0.06inWeight: Approx. 229g/8.08oz Package List: 1 x SmartThermostatRadiator1 x Manual6 x Connector1 x Screw1 x Nut Note: For zigbee model needs to be used with for zigbee gateway.