Inline-Motor Strato 4:3 is a complete motorized roll-up projection screen from AV Stumpfl, supplied with its frame, stand and STRATO projection surface. It has an overall screen size of 220 × 165 cm and a 4:3 aspect ratio. The matt-white coated non-woven glass-fiber surface has a gain of 1.0. The screen is housed in a white RAL9016 powder-coated aluminium casing and uses a fast, silent 230 V tube motor with electromagnetic disc brakes and overtemperature protection.