... Model:S001This is a manual, and easy operational projector screen. Features:1) Manual screen2) Slim appearance3) Excellent workmanship4) Soft ... ceiling and wall mounting1,Advanced self-locking system makes the screen to be adjusted to accommodate any height.2,Easy ... all direction metal cover design,convenient to install.4,Smooth screen surface,hard to distortion,flame retardant midew and induration ...