120" 1:1 Toile de projection manuelle blanche 84"x84"Nominal Diagonal Size: 120" Aspect Ratio: 1: 1 Screen Size: 84" x 84" (H x W) Top mask (Black border on top of screen): 2" Screen Material: Matte white Case size: 91 " (Lenght) 4" (Diameter) Case Color: White Format: Manual, wall ceiling mount Gain: 1. 0 Matte white screen surface for optimal image and color reproduction Use the enduring lubricant shaft bearings system, free and relaxed, the self locked system can make the screen stops in any place