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 Thermostat 2 x Screws 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. 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.