ARKSEN 120" Manual Pull Down Auto-Lock Projector Projection Screen White 96"x72" HD Moive 4:3 Ideal for home theater, public display, business, classroom etc Material: Steel Case/PVC/Fabric, Aspect Ratio: 4:3, Gain: 1:2, Viewing Angle: 160 Degree High contrast gain screen optimizes picture quality Shelf-lock system allows you to adjust the height and aspect ratio 4:3 screen format and diagonal 120" offers 96" x 72" viewing area