1.professional manufacturer ,46" Advertising Monitor 2.high quality 3.many choices for you 4. ... ApprovalCCC,CE,CBProducts function 1. Auto circulation player when the Monitor is started(with CF,SD, USB flash disk)2. ... format:JPG,MP3,MPG1/2/4,AVI,DIVX3.Support Composite Video (CVBS) or VGA output, Support 2/5.1 sound ... teaching, information guide, exhibition use etc. 46" Antiriot advertising monitor