Features: Adopting a 4LED electroplating design to ensures clear navigation signals under various weather conditions. Even when sailings in foggy or nighttime conditions, it can effectively increase visibility and ensures safe navigation. Suitable for long-distance sailors and night crews members. 12V low-power systems, extending battery life and reducing energy consumption. Solved the problem of high battery consumption in traditional navigation lights, allowing you to avoid frequent battery replacement during long voyages. Specially suitable for ships operating at sea for long periods of time. Using electroplating materials, excellent corrosions resistant performances and can resist seawater erosion. Compared to ordinary materials, with longer service life and reduces maintenance frequency and costs. Simple structural design allows for quick installation without the need for professional tools. Solved the difficulties caused by complex installation step, saving time and energy. Suitable for enthusiasts and boat owners who need to quickly replace equipment. The red green double color lighting design clearly indicates the heading and avoids misjudgment during navigation. Solved the problem of single color lighting being unable to distinguish directions and improved the safety of navigation. Specifications: Component:ABS Parameters: 4 LED beads Input voltages 12V Package Includes: 2Pcs LED Light (Green & Red) note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.