The best products can only be made with the best materials and the highest grade of screen fabrics. Optoma uses the most professionally made screen fabrics to reflect the truest, most vivid and dynamic images. All Optoma screens are built to a high standard and are rigorously checked and tested throughout the production process to ensure the highest possible build quality and finish. High definition compatible. Controlled screen return ensures safe screen retraction every time. To position screen simply pull down and hold for 3 seconds and the screen will stay in the desired position. Actual screen size 181 x 138cm / 71 x 54in (full Height). Visible screen size 171 x 128cm. Viewing angle 160 degrees. Weight of screen 10.7kg. Ceiling and wall mountable.