AV Stumpfl Inline-Motor Strato 4:3 is a complete stationary projection screen with a 230 × 175 cm overall screen size and a 4:3 aspect ratio. The set includes the frame, stand and projection surface. The STRATO surface is a coated non-woven glass-fiber material with a matt-white finish and gain 1.0. The screen is housed in a white RAL9016 powder-coated extruded aluminium casing and uses a 230 V motor with silent operation, electromagnetic disk brakes and overtemperature protection.