1、High corrosion resistance: the durable chrome zinc shell structure has passed the 72 hour salt spray test, which can improve the service life. 2、High visibility light signal: The innovative optical design of the surrounding lamp beads provides high visibility light signals, while meeting the USCG\u0027s requirements for visibility of 3NM. 3、Provide more visibility and security: with proprietary optical design, red and green lenses are installed in the die cast triple chrome zinc cover. It is very suitable for rowing at night. These two color lights penetrate the fog. 4、IP67 waterproof: the precise edge sealing design inside the built-in high-density hot melt adhesive completely avoids short circuit caused by water vapor intrusion. Specification: voltage DC 12V; 5、Power: 6W; The radiation angle is 225 degrees.