Feature: 1. HIGH ACCURACY: The smart thermostat uses an NTC thermistor temperature sensor for high accuracy and fast, reliable data reading. 2. SUPERIOR PERFORMANCE: The smart room thermostat uses a highly reliable chip with strong anti interference capability and a large LCD display. 3. PRACTICAL: Add air conditioner controller to manage hot or cold spots and deliver enhanced comfort to the rooms that matter most. 4. VENTILATION FUNCTION: The intelligent thermostat has a new ventilation function, suitable for hotels, restaurants, halls and other such crowded places. 5. SAFE 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. Specification: Item Type: Smart Thermostat Material: PC+ABS Weight: Approx. 204g/7.2oz Supply Voltage: 220AC Temperature Sensing Component: NTC Thermistor Temperature Control Accuracy: ±1℃ Temperature Control Range: 5℃-35℃ Product Function: Cooling Mode, Heating Mode, Ventilation Mode Scope of Application: For Family, Restaurant, Hotel, etc.. Package List: 1 x Smart Thermostat2 x Screws Note: Be sure to ask a professional to install, please cut off the power supply when installing, the power cord must be installed correctly, the fire wire and zero wire can not be reversed, so as not to damage the thermostat.