... Perfectly flat mirror-like screen surface 4:3,16:9,2.35:1 AUVI electric tab ... . Curved streamlined aluminum alloy housing, nice appearance.3. Mounting brackets can be moved freely in the ... screen can be stopped at any position any time.5. Fabric is mildew resistant, flame retardant, cleanable. ... Video FabricAntiglare FabricGain:1.10.91.4Viewing Angle:120°160°140° Electric Tab-tensioned Screen,Projection ...