PREMIUM MATERIALS - Metal made screen casing better reduces the risk of deformation and damage whether in transportation or in use; White plastic material made screen with three-layer composite structure, and the surface is smooth and flat; The three-layer fiber structure does not expand and contract due to changes in external temperature and humidity, which effectively prevents the screen from wrinkling and deforming MANUAL SELF-LOCKING POSITION SYSTEM - Manual screen innovative design self-locking torsion spring can accurately identify the subtle movements during opening and closing of the screen; Timely feedback to lock the screen to the specified position; Reduce pullback rebound and inaccurate positioning; The screen shaft uses high-purity lubricating oil, and the rotating structure is sealed and dust-proof and highly durable 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 16: 9 wide-screen view allows 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 grasp every detail needed for your screen; The edges of the screen is created through a special process, which does not roll or warp over time; The white plastic material is mildew and moisture-proof, which can be scrubbed and is easy to maintain; In order to facilitate your use, we have provided you with two methods of installation: wall and ceiling mounting make it easy to set up in any home 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