The design and manufacture of ship lights must comply with ship specifications and relevant provisions of international conventions, and can only be installed and used after being inspected by the ship inspection department and issued a certificate.

The facilities involved in the ship are in accordance with the provisions of international conventions. In order to indicate its location, status and type of characteristics when the ship is sailing at night, operating or in low visibility, the ship must be equipped with various lamps and lanterns to display various signals in order to identify and avoid.