AV Stumpfl Magnum-Motor Strato 4:3 is a complete motorized projection screen set with frame, stand and STRATO projection surface. It provides an overall screen size of 650 × 490 cm in a 4:3 aspect ratio, with a 320-inch diagonal. The STRATO surface is coated non-woven glass-fiber material with a matt-white gain of 1.0. The set has a 30 × 30 cm casing and a tubular motor.