AV Stumpfl Magnum-Motor Strato 1:1 is a complete motorized projection screen set with a 600 × 600 cm screen, frame, stand and 30 × 30 cm case. The STRATO projection surface is made from coated non-woven glass fiber and has a matt-white finish with a gain of 1.0. The screen has a square 1:1 aspect ratio and is identified by manufacturer article number BMM-SQ600.