VIVO 100" Projector Screen, 100 inch Diagonal 16:9 Projection HD Manual Pull Down Home Theater VIVO (PS-M-100) DURABLE METAL CASING for Dual Wall and Ceiling Installation Design perfect for home or business CRISP VIEWING ANGLES up to 120 degrees with a matte white surface diffusing light in all directions SCREEN MATERIAL 1.1 GAIN with standard black backing to eliminate light penetration. Four side black borders enhance picture contrast BUILT-IN MOUNTING which can be utilized for an easy ceiling or wall mounting process UNIVERSALLY COMPATIBLE with majority of LED, LCD or DLP projectors on the market