It is an external device or system, designed to operate and improve the efficiency and safety of ships navigation and their traffic in maritime passages.
Egypt took for so many years ago care of the establishment of lighthouses, as a good example, we have Alexandria Tower, one of the ancient Seven Wonders. Lighthouses are used to facilitate the navigation in the night and day. It shortened the length of journey to half its duration.
Has staffs of supervisors who works in shifts. At sunset it is lighted by electricity.
Use solar energy for lighting.
Lighthouses are monitored and controlled by main control center in Max, Alex equipped to identify and repair troubleshooting.