LED Flash Poster -indoor full-color LED display with SD cards(xxxxx Memory 1G card or more) : function : not need computer to control the content of display , But need a SD card to store your display content , and just available to display text and picture , flash files is not available to display. Pitch : P7.625mm Panel size : 0.488 m x 1.708 m Density / panel : 64 dots x 224 dots (your size of display area according to one by one panel connected.) display area : connected panel one by one for a large LED display Other pixel size (P6mm) splay for this item are all available.