100-inch Diagonal, 16:9 Aspect Ratio. Wide viewing angle allows viewers to see a clear picture with equal brightness over a full 180° angle. Active 3D, 4K/8K Ultra HD, and HDR ready! Elegant black aluminum housing for extremely portable screen which is easy to carry and store. ¦ Just place the screen where you want it, snap open the case, and lift up the screen. ¦ Pneumatic air pistons on the back of the screen keep the screen material tight and upright. ¦ NOT recommended for Ultra Short Throw/Short Throw Projectors.