Mirage screens allow you to naturally cool and ventilate your home. Enjoy the fresh air, reduce the cost and need for air conditioning without impeding your view. Unlike traditional swinging screen doors, the Mirage Retractable Screen Door is only across your door opening when you need it to be. Eliminate the inconvenience of opening and closing a screen you only use seasonally. Mirage is a leader in the retractable screen industry with over 20 years of experience manufacturing retractable screen products. Mirage also offers large opening retractable screens. The Horizon 4800 large opening motorized screen offers insect and sun-protection for your outdoor living space.