Features: Six high-efficiency LED bulbs are used to provide strong light output, ensuring clear visibility at night or in low visibility conditions. It solves the problem of insufficient light lines in traditional navigation and improves navigation safety. The shell crafted from electroplating process have excellent waterproof performances and can effectively resist seawater corrosions and salt sprayed corrosions. The red and blue design helps to quickly identify the ship's position and avoid the risk of collision. It solves the problem of difficult identification of monochrome signals lights and improves navigation safety. Low-power LED technology is adopted to significantly reduce energy consumption and prolong battery life. It solves the problem of large power consumption of traditional lamps and reduces the trouble of frequent battery replacement. It can be installed quickly without tools, saving time and effort and improving user experience. The problem of complicated installation of traditional navigation lights is solved, which is convenient for users to operate by themselves. Specifications: Component: Electroplating metal Parameters: 6 LED beads, red and blue two-color signals lights Size: Standard size for most yachts Package Includes: Pack of 2 Marine Navigation Lights note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.