Ocarina Air Curtain, 120cm Width, 2-Year Warranty, 220V, 60Hz, Ideal Thermal Insulation: Maintains room temperature and completely prevents dust and insects from entering. Silent Operation Technology: Powerful performance with complete quietness, suitable for the finest offices, villas, and commercial projects. Smart Sensor: Automatically reacts to door movement to ensure energy savings and maximum operating efficiency. Remote Control: Equipped with a long-range wireless remote for complete ease of use.