DetailsFeatures - - Retractable Projector Screen - This 72" Manual Pull-Down Projector Screen features retractable design for rolling up the screen easily, ensuring space-saving storage and dust prevention, perfect for making your home theater or business presentation- Self-Locking Mechanism - Equipped with a built-in self-locking mechanism which locks the screen at different heights to fit different formats, along with ropes for allowing the screen's pull-down handle to be reached for convenient lowering of the screen- Wide-Viewing Angle - Equipped with a matte white viewing surface made of PVC material which diffuses projected light uniformly, offering 1.2 gain & 160 degree large viewing angle, along with 4-sided black masking borders which increase image focus and contrast, ensuring the best image and video quality possible- Celling & Wall Mounting - Features sturdy metal rings on the top for easy hanging onto the wall or celling, along with pre-drilled holes for easy mounting to th