AV Stumpfl Inline-Motor Strato 4:3 projection screen with a 250 × 190 cm overall screen size and R5 projection surface. The complete set includes the frame, stand and projection surface. It has a white RAL9016 powder-coated extruded aluminium casing measuring 9 × 8.5 cm. The STRATO surface is a coated non-woven glass-fiber material with a matt-white finish and gain 1.0. The motor operates at 230 V and features fast, silent operation, an electromagnetically released disk brake and overtemperature protection.