The AV Stumpfl Magnum-Motor Strato 2:1 is a complete stationary projection screen with an 800 × 400 cm screen size and a 30 × 30 cm casing. It includes the frame, stand and STRATO projection surface, made from coated non-woven glass fiber with a matt-white finish and gain 1.0. The motorized system uses a 230 V tubular motor, electromagnetic disk brake, safety catch mechanism and geared limit switch. The full set has article number BMM-SZ800.