... easy to move 42inch digital signagepanel size :42inch real color LCD screenaspect ratio : 16:9panel life :50000 hourscontrast ... speakerssupport CF,SD,MMC,MS card number of color :16.7Mtwo piece of keys available product ... is painted by power-spray craftwork,black color,floor standing metal case.2 support media format ... ,JPG,PNG,GIF,SWF(Flash) DTS/AC3, MP3 MPEG1/MPEG2 MP3,WMA, AAC, PCM 3. playing media: ...