7'' wireless touch screen digital menu dis

7'' wireless touch screen digital menu displayer, Restaurant menu displayer, Hotel menu board 7'' wireless touch screen digital menu displayer Update food's price , picture Connect with server ,printing menu 2GB memory SPECIFICAITONSSize7 inchesResolution800*480ScreenTFT LCD touch screenBrightness400cd/m2OperationFull touch screenContrast400:1Memory2GBNetworkWi-FiDuration8 hoursI.O.TF card, Mini USB, DC jackFUNCTIONS1, Long duration, support 8 hours work;8, Open platform for synchronous working;2, Wireless data transmission;9, Guestbook for recommendations;3, High data transimission security;10, Special requests for customers;4, Powerful server management software;11, Easy to change your menu;5, Interphone for internal communication;12, Thermal printers connections;6,Sensitive touching operation;13, Handshake functions;7, Real time restaurant condition update;14, More softwares will be upgraded for customers.