AV Stumpfl VarioClip Lock is a complete mobile front-projection screen system with a 4:3 aspect ratio and a 305 x 229 cm net projection area. It consists of a multi-piece aluminium frame with a patented locking mechanism, AT32/64 supporting legs, and a front-projection surface with a 10 cm reinforced border and hooks. The complete set includes the frame, stand, projection surface, fixing hardware, and carrying bags. The overall screen size is 325 x 249 cm, with a 150-inch diagonal.