MX sereis COB indoor poster LED display is by 600*337.5mm indoor COB LED display panel. it can form W600*H2025mm(W1*H6PCS panels) or W600*H2362.5mm(W1*H7PCS panels). can work independently or with several pcs cascading to form a big picture for events or advertising. GOB and COB LED display module compare. 6PCS poster splicing and cascading illustration the poster supports wifi, USB, HDMI and audio(optional.