Da-Lite Model C Projection Screen with CSR - Wall or Ceiling Mounted Manual Screen - 70in x 70in Square ScreenExperience cinematic brightness and crisp, uniform images in medium to large rooms with the Da Lite Model C CSR projection screen. This manually operated, square 70in x 70in screen is designed for flexible installation in spaces where wall or ceiling mounting is preferred. The CSR (Controlled Screen Return) system delivers a quiet, controlled retraction that keeps noise to a minimum and protects the projection surface from snagging or creasing. The