Specification: 1. Provides a perfectly flat viewing surface for video projection applications. It suits for home theatre system and high grade locations. It is a luxury, high-quality model with black velvet frame. 2.All fabric can be used, such as gray video spectra, white video fabric, gray rear fabric and other front or rear screen fabric. 3.The projection screen fabric of this screen mounted to the aluminum frame at the back with push-button flat back and sides for easy installation. 4.4:3 or 16:9 can be chosen, any size can be produced according to your demands. It is easy to ship as the common motorized screen.