1.1 55 inch hd program
1.2 55 inch number 32 pieces of 4 x 8 32 splicing screen 5.3 MM
July 7, 2013 to 1.3 on July 13, 2013
1.4 embedded of hanging wall bracket
1.5 HDMI signal is used to play 2 sets (HDMI01-16) signal distribution a HDMI01-04 signal