... " - 150" Ratio: 1:1, 4:3, 16:9 (optional) Fabric: matte white, glass bead Cheap wall mount motorized projector screen manual , and easy ... position6) Size: 60 - 150" 7) Ratio: 1:1, 4:3, 16:9 (optional) 8) Fabric: matte white, glass bead9) Easy and ... to install10) Running smoothly and silently11) Designed for ceiling and wall mounting1,Advanced self-locking system makes the screen to be ...