Magnum-Motor Strato 4:3 is a complete AV Stumpfl projection screen system with an 850 × 640 cm overall screen size and 4:3 aspect ratio. The product is supplied as a complete projection screen including the frame, stand and projection surface. The system is part of the Magnum series and is supplied in a 36 × 36 cm case. Manufacturer article number: BMM-SV850.