The Da - Lite Designer Contour Electrol 43 x 57" 4:3 Screen is designed for versatility and elegance, 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. It features a built - in quality motor that operates quietly, controlled by a convenient 3 - position wall switch. The aluminum casing is not only durable but also sleek, with minimal dimensions of 4.6 x 4.1 inches, allowing for seamless integration into any space. The screen's viewing area measures 45.0 x 80.0 inches, with a diagonal of 72.0 inches, providing ample space for presentations. With a gain of 1.0 and a 120 - degree viewing angle, it ensures optimal viewing from various positions in the room.