The Magnum-Motor Strato FS by AV Stumpfl is a motorised roll-up projection screen with an overall size of 700 × 400 cm and a 30 × 30 cm casing. The complete system includes the STRATO matt-white coated non-woven glass-fiber projection surface, frame, stand, tubular motor and drive control. The projection surface has a gain of 1.0, and the screen uses a 4:3 aspect ratio. The full-set article number is BMM-SF700; the projection surface is BRV-SK30/700.