42inch digital signage floor standing support CF,SD,MMC,MS card and USB easy to move 42inch digital signagepanel size :42inch real ... material,which is painted by power-spray craftwork,black color,floor standing metal case.2 support media format: MPEG1/2/4,WMV ... . playing media: flash memory card: CF,SD, MMC,MS card and USBUSB: high speed USB 2.0 (host) applicable fields1 business ...