It is a combination of plastic forming and LED. The white color signboard is marked with letters of diverse calligraphic styles in various colors.

This billboard lighting can be used for a long time. Much less fund is needed for making this device than other device and it can save 60 percent of electricity as compared with that consumed by a fluorescent lamp.

These billboard lighting devices are being installed in Pyongyang and other cities.

Those billboard lighting devices installed at Pyongyang Department Store No. 1, restaurants in the Changgwang Street of Chain of Restaurants, the electronic amusement house in Kaeson Youth Park and other catering services and amusement facilities add to the scenic beauty of the city at night and in daytime.