16:9 Tab-Tensioned Motorized Intelligent Electric Projection 4K Cinema Screen For Home Theater Projector

Aspect Ratio/Format: 16:9 Widenscreens。 Screen material: Progressive White 。This white surface produces true color and white field uniformity while offering excellent depth of modulation. Viewing Angle: 180deg / Gain: 1.15 Progressive White 1.15 is a PVC black-baced flexible white screen material, It is for applications that require a small increase in gain due to screens ize and projector brightness. With a generous viewing angle of 180°, Progressive white 1.1 is formulated for hight resolution projectors and also an excellent choice for large audiences. Adopt Aluminum case and Equiped with silent tubular motor 。