AV Stumpfl Magnum-Motor Strato is a complete stationary 4:3 projection screen set with a 525 x 394 cm overall screen size and a 258-inch diagonal. It includes the frame, stand and STRATO projection surface, which is a matt-white coated non-woven glass-fiber material with a gain of 1.0. The screen is supplied in a 21 x 21 cm casing and uses a motorized drive system.