Maxwhite Screen Material Has 1.1 Gain & Black Backing Manual Pull-down Screen Greenguard Certified Low-emission Product-preferred & Recognized By Leading Sustainable Building Programs, Government Agencies, Industry Standards, Building Codes & Institutions Around The World Perfect For Home Or Business Applications Designed For Wall Or Ceiling Installation Advanced Auto-locking System Locks In All Positions Standard 4-side Black Masking Border Enhances Viewing Area When Projecting Image Durable & Easy To Clean Includes Standard Pull Cord 2-year Parts & Labor Manufacturer Warranty 150" 73.5" X 130.7" 16:9 Hdtv Format Black Housing