1.International popular ellipse case, suitable for modern people’s aesthetic, elegant and easy to install. 2.3mm aluminum alloy case, which is of high quality. 3.The surface is sprayed with piano paint, color in the middle of the case can be easily adjusted. 4.Use the imported super flexible fabric, low gain, high contrast . 5.Tight spring system can adjust the evenness of the surface, which will ensure the surface keep flat. 6.Quiet tubular motor and the remote control make the projection screen easy to operate. 7.Suitable for different various places, such as high level home theatre, government, professional cinema etc.