Ocarina 90cm Wide Air Curtain, Ideal Thermal Insulation: Maintains the 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. Two-year comprehensive warranty from the agency. 220V, 60Hz.