... : CF,SD, MMC,MS card and USBUSB: high speed USB 2.0 (host)applicable fields1 business organizations : supermarket,large-scale shopping ... ,large-scale sales, star-rated hotels,restaurants,travel agencies,pharmacy.2 financial organizations: banks ,negotiable securities,funds, insurance companies3 Non-profit ... ,cafes,internet bars,beauty shops,golf course. 42'' floor standing lcd digital signage