Eyeline Presenter Wall Screen Aspect Ratio 1:1A range of pull down projection screens. Matte white, woven cloth with 4 black borders to enhance the projected image. Simply fix to wall or ceiling with end cap mounting brackets. Available in widescreen (16: 9), video (4: 3) and square (1: 1) formats. Optional extension brackets for OHP use or for clearing an obstruction. Pull rod available for use with high mounted screens. Budget model available without borders.