42 inch interactive Advertising player widely apply to hotel ,supermarket ,shopping mall, metro , show room ... two ways to realize synchronization, one way is to use AV distributor and AV lines with AV interface to connect the ... MPEG1/2 for 10 minutes, it needs 100M;and for MPEG2,it needs 400MCF Card Protect FunctionWith ... used as another CF Card; save the cost and the time for replacing the program; make ...