84x84 Manual Projector Projection Pull Down Screen 120" 1:1 4:3 16:9 Display Dual wall and ceiling installation design | Self- locked system provides variable height settings Screeen size: 84" x 84" Max | Diagonal: 119" | Aspect Ratio: 1:1 Saquare | Gain: 1.1 Screen color: Matte white | Viewing Angle: 160 degrees | 4:3 ratio display with 119" of viewing area | 16:9 ratio display High contrast 1.1 gain screen optimizes picture quality | Matte white viewing surface diffuses projected light uniformly | 4-side black masking borders increase picture focus & contrast Black-backed screen material eliminates light penetration | Screen surface could wipe with mild soap or water | Lightweight steel white case for easy installation | Heavy duty packaging with corrugated foam