SPECSTAR 80 Inch Auto-locking Portable Projection Screen 16:9 HD & Simple Appearance & 160? Panoramic Vision & High-definition Function & Easy to Maintain Have you ever imagined that you can enjoy a privately-made IMAX movie screen viewing or a 3D visual experience without leaving home? The SPECSTAR auto-locking portable projection screen turns your living room into a movie theater in seconds. Simple installation makes it easy for you to change your home to a movie theater. The amazing virtual scene makes you feel like being in a real-world that will create an entirely new experience for you and your friends. Black PVC Backing Material The durable black PVC backing material eliminates the penetration of light maintaining a clear and vivid picture. 160? Viewing Angle A panoramic viewing angle of up to 160? allows you to enjoy a customized IMAX movie screen viewing experience without leaving home. Dual Installation Ways With durable metal screen casing we provide wall and ceiling mount two methods of ins