4*4-40 inch DID Video Wall 4*4-40 inch DID Video Wall40inch LCD VIDEO WALL,Full-screen display, single-screen display, any combination of shows, background40inch LCD VIDEO WALL ModelEFF1040 4X4PCSDimension911.1(W)×522.3(H)×95(D)mmResolution1920×1080(WXGA),16:9Activation Area885.168(H)X 497.664(V)luminance700 cd/m2Contrast3000:1Display color10bitViewing Angle178°Splicing Seam9mmInput interface0Lux ...