AV Stumpfl VarioClip Lock black is a complete mobile rear-projection screen system with a 4:3 aspect ratio. It comprises a multi-piece aluminium frame with patented locking mechanism, projection surface, one pair of supporting legs, fixing clamps and carrying bags. The overall screen size is 691 x 523 cm, while the projection area measures 671 x 503 cm. The screen has a 330-inch diagonal and R10 surface gain code.