Da-Lite Model C Series Projection Screen with CSR - Wall or Ceiling Mounted Manual Screen - 84in ScreenThe Da Lite Model C with CSR (Controlled Screen Return) is a robust, large format projection screen designed for classrooms, conference rooms, and auditoriums where a quiet, reliable screen retraction is essential. This manual screen is mounted either on the wall or from the ceiling, providing flexible installation options for medium to large spaces. With an 84 inch diagonal and a 4: 3 aspect ratio, it delivers a broad viewing area that preserves