AV Stumpfl Magnum-Motor Strato 4:3 is a complete projection screen system with a 900 × 675 cm projection surface in a 4:3 aspect ratio. The system includes the frame, stand, projection surface and a 36 × 36 cm case. It is supplied as a complete unit for large-format projection applications. The manufacturer is AV Stumpfl, and the manufacturer article number is BMM-SV900. No projection surface gain, projection type or net projection-area specification is provided.