The sea barrier system is used for protecting and warning purpose to a specialized area, consisting of floating buoys and mooring balls.
The navigation buoys can be equipped with self-contained solar powered LED warning lantern, which can open and close automatically according to the light change. The material of mooring ball is PE, and diameter is from 300mm to 500mm. Buoys and balls are connected with cable, and moored by the mooring chain and concrete sinker undersea.