... LED screen 4,indoor advertising display Product Features:1.Support multi-zone split-screen display.2. ... to 1080P ( 1920 * 1080 ) resolution progressive scan HD display and interlaced high-definition display ( ie, 1080I , ... , hot swappable , content updates easily and quickly14.MPG, MPG -1 , MPG - 2 , MPG - 4 , AVI, MP4, DIV ... updates and upgrades 55 inch supermarket shelf network advertising display