 | The Luma projection screen is attractive and dependable in the classroom or conference room. Its case and endcaps have a scratch-resistant, white polyester finish. Heavy gauge endcaps form universal hanging brackets for attachment to wall, ceiling or map rail hooks. Aspect Ratio: 1:1, Screen Gain: 0.8, High Contrast Grey Surface, 70" x 70" Viewing Area Number of Reviews: 0 | Ratings:  | Best deal: $84 $84 - $84 from 1 stores. |