... display, single-screen display, any combination of shows, background40inch LCD VIDEO WALL ModelEFF1040 4X4PCSDimension911.1(W)×522.3(H)×95(D ... cd/m2Contrast3000:1Display color10bitViewing Angle178°Splicing Seam9mmInput interface0Lux/F1.2Signal formatsComposite video ,YPbPr,S-VIDEO, VGA,DVI/HDMIControl InterfaceRs232Image ProcessingFull-screen display, single ...