1,2.0mm thick cold-rolled sheet steel, a professional outdoor light complexion powder, electrostatically automotive paint technology, can protect 3--5 years without fading; 2, spit card machine can be built, Tunka machine, display, close reading writer, display, intercom systems, ticket machines spit; 3, the side posted promotional dynamic ad content, replaceable; 4, for standard and spit ticket systems; 5, color: Flash silver and black, orange red, black, yellow and black and other options;