42inch digital signage floor standing support CF,SD,MMC,MS card and USB easy to move 42inch digital signagepanel size :42inch real color LCD screenaspect ratio ... : flash memory card: CF,SD, MMC,MS card and USBUSB: high speed USB 2.0 (host)applicable fields1 business organizations : supermarket ... ,massage rooms,bars,cafes,internet bars,beauty shops,golf course. 42'' floor standing lcd digital signage