... output Numbers: 128Input output signal sources:HDMI,DVI,VGA,AV,YPBPR,IPControl method: RS232,IPFrame material: Aluminum brushedPackaging ... :Technical SpecificationsModel seriesWith CBDNo CBDFunction description4channel CBD,16channel AV, 12channel VGA/DVI input, 6U case supports ... high resolution 4000/(8000)x2000 Dynamic background image16channel AV,16channel VGA/ DVI input,6U case supports 16screens ...