1HIGH ACCURACY: The smart thermostat uses an NTC thermistor temperature sensor for high accuracy and fast, reliable data reading. 2SUPERIOR PERFORMANCE: The smart room thermostat uses a highly reliable chip with strong anti interference capability and a large LCD display. 3PRACTICAL: Add air conditioner controller to manage hot or cold spots and deliver enhanced comfort to the rooms that matter most. 4VENTILATION FUNCTION: The intelligent thermostat has a new ventilation function, suitable for hotels, restaurants, halls and other such crowded places. 5SAFE MATERIAL: The air conditioner controller housing is made of PC and ABS flame retardant material, which is robust, safe and reliable and has a long service life.