traffic direction signs

Modern steel lightship is a small boat, equipped with fog number, traffic direction signs radio beacons and navigation in bad weather manipulation to maintain the level of light beam devices. The role of lighthouse signal is emitted recognizable day and night at sea for vessels measuring position and provide hazard warning to ships. led beacon signal includes two fixed signal and the flash signal, the signal is fixed within a certain range directional lights emit red or green light, a sense of direction for the ship; flash signal is used as an identification signal.