Once the Tri-color navigation light turned on it will showing unbroken light signal in horizontal at Left - 112.5° RED / Right - 112.5° GREEN / Aft -135° WHITE; And once the All-round white light turned on it will showing unbroken white light in 360° horizontal. The visual distance of all those light signals are no less than 2 nautical miles. The product adopts new LED light source and with plug-in mounting base design. It has the advantages such as modern design super energy saving and waterproof. It suitable for all types of vessels with a length < 20 meters.