Safstar Pull up Floor Projection Screen Portable Floor Stand Manual Pull up Home Theater Office Presentation 4:3 Projector Screen Square 80" x 60" View 100" Diagonal High quality matte white surface provides 80"60" viewing area with 4:3 screen format and diagonal 100" The projection screen is contained within a rugged aluminum case for mobility and easy using, also protecting the screen while not in use, the case features a built in carrying handle for convenient transportation and solid rotating floor supports add stability to elevated screen The telescopic support mechanism allows for screen height adjustments with a simple twist and tighten feature,and the keystone eliminator allows for easy screen angle adjustments, end cap bracket allows for wall or ceiling mount installation High contrast 1.2 gain screen will optimize the picture quality,while black background screen material eliminates light penetration, assuring best quality video image Ideal for home theater movies, classroom training, conference room presentations, public display, etc