1.It can bring incomes from the spray-paint posters and LED display advertisements
2.In the day time, LED lights are turned off and the spray-paint posters are displayed, and in the night, LED lights are turned on to display video advertisements
3.It is a product with a high cost performance and an accurate market target
4.Outdoor water-tightness, with a nearly steel-free structure, air-conditioner is not required
5.Suitable for large billboard reconstruction project on walls of architectures