... -screen display, any combination of shows, background40inch LCD VIDEO WALL ModelEFF1040 4X4PCSDimension911.1(W)×522.3(H)×95( ... color10bitViewing Angle178°Splicing Seam9mmInput interface0Lux/F1.2Signal formatsComposite video ,YPbPr,S-VIDEO, VGA,DVI/HDMIControl InterfaceRs232Image ProcessingFull-screen display, ... of display, mainly by a TFT LCD panel, a driver circuit and a backlight unit. One with a 46 ...