PREMIUM MATERIALS - The metal casing of this VIVOHOME projector screen serves to mitigate the risk of deformation and damage, whether during transportation or in use; The screen is constructed from white plastic material with a three-layer composite structure, comprising a smooth and flat surface; The three-layer fiber structure is resistant to expansion and contraction due to external temperature and humidity fluctuations, thereby preventing wrinkling and deformation | MANUAL SELF-LOCKING POSITION SYSTEM - The manual screen's self-locking torsion spring represents a novel design that is capable of accurately identifying the subtle movements that occur during the opening and closing of the screen; This allows the screen to be locked at the specified position promptly, reducing pullback rebound and inaccurate positioning; The screen shaft is lubricated with high-purity oil, and the rotating structure is sealed and dust-proof, offering high durability | NEW VISUAL FEAST - The unique properties of white plastic materials ensure that each incident light is reflected uniformly; A panoramic viewing angle of up to 160° and a 1:1 high gain allow you and your family to enjoy a private and customized IMAX movie screen; The screen supports 3D, 1080P, 4K, and Full HD images; The surface of the curtain is embossed with a matte coating, which effectively improves picture brightness and resists the interference of ambient light | ATTENTION TO DETAILS - We focus on every detail needed for your screen; The edges of the screen are created through a special process, which will not be rolled or warped over time; The white plastic material can be scrubbed and is easy to maintain; To facilitate your use, we have provided you with 2 methods of installation: wall and ceiling mounts make it simple to set up in any house NOTE: Screws and hooks are not included | WIDELY USED - This portable projection screen is suitable for a variety of scenarios; Whether it is a workplace office, teaching training, or used as entertainment equipment, such as watching movies, home theater, playing games, karaoke, etc., it's definitely your best choice