Apollo 70×70 inch Wall Electric Projection Screen Specs: 70″x 70″ viewing area The self-locked system provides variable height settings Convenient dual wall and ceiling installation design High contrast 1.3 gain lets you enjoy clear and vivid picture Matte white viewing surface diffuses projected light uniformly Standard 4 black masking borders to get a better image effect Black-backed screen material prevents light penetration A washable surface is easy to clean and safekeeping Lightweight steel case with reliable spring inside for simple installation Stable quality with competitive prices Ideal for computer, video, slide, and overhead projection in the home, office or classroom Origin- USA No warranty
