... control software) Infrared Remote Control Operation Display unit combination "Can support up to 14 display units by 1 single machine, multi-machines can ... ,YPbPr,S-VIDEO, VGA,DVI/HDMIControl InterfaceRs232Image ProcessingFull-screen display, single-screen display, any combination of shows, background overlay, full high-definition ... Weight18KGS Full Color DID Video Wall (2*2, 3*3,1*4)