The AV Stumpfl Inline-Motor Strato 1:1 is a complete projection screen with a 300 x 300 cm overall screen size and a 167-inch diagonal. The system includes the projection surface, frame and stand, housed in a white RAL9016 powder-coated aluminium casing measuring 12.5 x 12 cm. The STRATO surface is a matt-white coated non-woven glass-fibre material with a gain of 1.0. Motor operation uses a fast, silent 230 V tube motor with an electromagnetic disk brake and overtemperature protection.