... selection for vehicle-mounted advertisement monitor:15,17, 19, 22inch LCD.Display selection for building advertisement monitor:15,17,19,22 ... ,26,32,37,42,46,47,65,70,82 inch LCD.Products functions1. Auto circulation player when the Monitor is started ... bus, on the train, in the subway, on the plane4,supermarket,Chain store, Specialty Store, Convenience store, counter forpromote sales etc ...