AV Stumpfl Inline-Motor Strato projection screen with a 16:9 aspect ratio and an overall size of 410 × 310 cm. The complete set includes the projection surface, frame and stand, with a 16 × 16 cm white powder-coated aluminium casing. It uses the STRATO coated non-woven glass-fiber surface with a matt-white finish and gain 1.0. The motor drive uses a fast, silent 230 V tube motor with electromagnetic disk brakes and overtemperature protection.