... 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 ... place.2, subway, train station, airport.3,taxi,in the bus, on the train, in the subway, on the plane4,supermarket ...