A smart city is an urban area that uses different types of electronic data collection sensors to supply information which 

is used to manage assets and resources efficiently. This includes data collected from citizens, devices, and assets that is 

processed and analyzed to monitor and manage traffic and transportation systems, power plants, water supply networks, waste 

management, law enforcement, information systems, schools, libraries, hospitals, and other community services.

Different data collection need different kinds of LED display.

For example,we monitor and manage traffic,we need super HD LED display.