VarioClip Lock is a mobile 4:3 projection screen system from AV Stumpfl, supplied as a complete set with a multi-piece aluminium frame, supporting legs and a front projection surface. The screen has an overall size of 691 × 523 cm and a projection area of 671 × 503 cm. The surface features a 10 cm reinforced border with hooks, while the frame uses a patented locking mechanism. Bags for the surface and frame are included.