3Victor's Tab-Tensioning system uses special flexible fabric to hold the surface flat and wrinkle-free. Fabrics have low reflecting rate and high contrast, supply natural color, make pictures clear and vivid. Elastic force backguy tightens system from breaking down, the leveling degree may follow curtain face is adjusted arbitrarily, can remove the general screen voluntarily that the disaster eliminates very much "erects cockles", makes a curtain as neat as mirror. The built-in tubular motor, top grade luxury, travel noise are minimal, the screen obeys stable, peacefull when going up and down, smoothly. Fashional aluminum housing, which supply high quality, and you can choose white video fabric and gray video spectra and gray rear fabric Coffee color and silver white case are all available. Can be chosen with infrared or wireless controller, which can be operated from any remote location. Custom sizes available.