The Elite Manual Pull-down Series front projection screen is a cost effective retractable screen with a dual case design for wall or ceiling installation. Elite Screens’ MaxWhite Screen Material is durable for daily use and easy to clean. It has a wide viewing angle with 1.1 Gain and is suitable for most applications including Commercial /Educational and Residential. MaxWhite Screen material has a black backing to eliminate light penetration for superior color reproduction. Its Texture pattern eliminates Moiré or Hot Spotting which is a common phenomenon with poorly made projection screen material or wall projections. Size and Aspect Ratio 4:3 Aspect Ratio 100" Diagonal Viewing Size (80.0"W x 60.0"H) Screen Material MaxWhite 1.1 Gain Screen Material is durable and easy to clean 160 degree wide viewing angle for commercial and residential presentations Black backed screen material eliminates light penetration for superior color reproduction Black masking enhances picture contrast Casing & Installation Durable metal casing - White Suitable for wall/ceiling installations Optional 6" - 18" brackets available Control System Auto-locking mechanism with variable height settings Manually operated (lanyard included) Quality & Reliability Premium 2-Year Parts and Labor Warranty 3-Year Warranty for Government, Education, Military and Religious Certifications GREENGUARD® Indoor Air Quality and GREENGUARD® Children & Schools Certified