Indoor led display: Such advantages as low-cost, fresh color and long lifespan determine that LED display will be widely used. Technical features of LED screen ... and index of screen boardGray grade /colors1.07 billion color(1024 degree of R,G,B respectively ))Ability of ... %,50 Hz Display mode1024×768,1280×1024Input signalComputer or DVI,RF,VGA,S-VIDEO,YUV video frequency etc. ROHS Indoor led display