Product Specifications Aspect Ratio : 16;10 Widescreen Viewing Size (L + H) : 4270 x 2670 (mm) Diagonal Image Size : 198" Case Size (L + H + W) : 4590 x 171 x 171 (mm) Side Borders : 50mm (Each Side) Top Border : 50mm Bottom Border : 50mm Screen Type : Matte White Fabric Gain : 1.0 a motorized (electric) projection screen and is housed in a pentagonal steel case. This popular projection screen can be mounted on the wall or ceiling. Ideal for auditoriums, lecture halls, hospitals, hotels, boardrooms and conference rooms. The motor is mounted inside the roller, for a clean low-profile appearance. Steel case is a standard white with matching endcaps and universal mounting brackets. (Screen sizes that require a larger case have an extruded aluminium case). The standard fabric used on this screen is a Matt White XT1000E surface with a gain of 1.0 - the preferred viewing surface in educational and commercial markets. A matt white surface diffuses projected light in all directions, so the image can be seen from any angle. Offers accurate colour rendition, and superior clarity due to its smooth, non-embossed surface. Requires adequate provision for the control of ambient light in the audience area. Unity gain with a panoramic 180° cone. Key Features • Screen operates instantly at the touch of a button and stops automatically in the "up" and "down" positions • Viewing surface can be lowered to any position at the touch of a switch الماركة ماركة أخرى الحالة جديد