AV Stumpfl Magnum-Motor Strato is a complete stationary motorized projection screen with a 4:3 aspect ratio and an overall screen size of 800 × 600 cm. The set includes the frame, stand and STRATO projection surface. The surface is a coated non-woven glass-fiber material with a matt-white finish and gain 1.0. The screen is supplied in a 36 × 36 cm casing and includes a tubular motor with safety features and geared limit switch.