... motorized; 3. 72"-120' electric screen; 4. CE. Manual Glass Beaded Projector Screen ManufacturerScreen Model:S001This is a manual, and ... Ratio: 4:3, 16:9 (optional)8) Fabric: matte white, glass bead9) Easy and convenient to install10) Running smoothly and silently11 ... and convennient operation3,Streamline type and all direction metal cover design,convenient to install.4,Smooth screen surface,hard to ...