celexon 30" Professional Mini Portable Tabletop Projector Screen, 4:3 Format, Viewing area 24 x 18 inches Compact mini tabletop projector screen ideal for mobile use on a small scale Viewing area: 24 x 18 inches, format 4:3, black aluminium casing Gain factor of 1.2, ideal for presentations and video Thick fabric provides excellent flatness, integrated automatic retraction system Integrated feet, easy setup within a few seconds Viewing area: 24 x 18 inches, format 4:3 Black border (left and right) Black aluminium casing Ideal for short video and presentations with a 1.2 gain factor to enhance image quality Integrated feet