The Da - Lite Designer Contour Electrol 43 x 57" 4:3 Screen is designed for versatility and style, making it perfect for boardrooms and other professional environments. This screen boasts a high contrast matte white surface that enhances image quality, ensuring vibrant and clear visuals. With a diagonal measurement of 72.0" (182.9 cm) and a gain of 1.1, it provides an excellent viewing experience. The screen is ceiling - recessed, allowing for a clean and unobtrusive installation. Its aluminum casing is not only durable but also stylish, with minimal dimensions of 4.6 x 4.1". The built - in motor operates quietly, and the included 3 - position wall switch allows for easy control. The screen's viewing angle is 100 degrees, making it suitable for larger audiences.