Magnum-Motor Strato 4:3 is a complete stationary projection screen with a 600 × 450 cm overall format and a 21 × 21 cm casing. The set includes the frame, stand and STRATO projection surface, made from extra-strong coated non-woven glass fiber with a matt-white finish and gain 1.0. It is motorized and uses a 230 V tubular motor with safety brake, safety catch mechanism and geared limit switches for the UP and DOWN positions.