Hi, this is Harry from China, LED display billboard manufacturer for years.
Click here to get more.
About your problem, I think I can help you.
Regarding LED billboard, there are some catergories,
If you want to learn more, please visit our website Lucky.
1, Full Color LED Display Billboard
a, Outdoor Use;
b, Indoor Use;
2, Monochrome LED Message Display
a, Outdoor Use;
b, Indoor Use;
c, Semi-outdoor Use (Window Use)
3, Dual Color LED Display
a, Outdoor Use;
b, Indoor Use;
c, Semi-outdoor Use (Window Use)
And there are many different models with different price. It is charged by squ. meters, from hundreds of USD to thousand of USD per squ. meter.
Hope the above is helpful. Any question, it is welcome. Please contact me at harry@hangeltech.com
If you want to learn more, please visit our website transparent led screen manufacturer.