Smart Home Heating Knob Thermostat Temperature Controller — Works with Water, Gas Boiler & Electric Heating, Temperature Calibrating

Adjust for floor-to-air temperature differences using the App: set a calibration value so the actual room temperature matches your target. Built-in high-temperature protection will automatically stop heating to prevent hazards caused by excessive temperature. Designed for broad compatibility with hidden box installations and supports device sharing so family members can jointly control the smart thermostat. Available in THREE VERSIONS to suit different heating system types. Includes VOICE CONTROL for hands-free operation.