... ,500:1Brightness: 700cd/m²Gap between panels: 5.7mmPower: 300WResponse time: 8 minutesMain features:1,Samsung industrial panel, support 24hours continously ... ,HDMI,RS232;8,images are displayed smoothly and naturally without time delay and tailing, and the image quality are quite smoothy.9 ... ,VGA cable,RJ 45 cable,Power cable,Remote controller,Software. Super slim bezel 55" DID Spliced Screen Wall