37" Advertising Monitor ( LCD, Advertising ,Monitor ) Technical Parameters: (LCD,Advertising.monitor)Technical ParametersTechnical paremetersSize37 inchesResolution (pixel) ... .2subway,train station,airport.3taxi,in the bus,on the train,in the subway,in the plane4supermarket,Chain store,Speciality ... the picture showing,the background music will play in-order automaticlly.Press 0 to select the mode of ...