The tab-tension electric projection screen ESTA250 goes for education, commercial presentations, residential home cinema, etc. A wide selection of sizes and aspect ratio formats are provided to meet your diverse needs. RF remote control and 3-way wall switch get you flexible operation experience. At the same time, Tab-tension system provides a superior flatness levels on the screen. Aluminum end cap and steel end cap are optional and the projection area of this 250" screen is: 5.50x3.08m.