Feature: 1. PREMIUM MATERIAL: The LED navigation light is made of PA engineering material and PC material, which is sturdy and durable, not easy to be damaged and has a long service life. 2. VARIOUS HARSH ENVIRONMENT: New technology LED optical red and green LED lights are designed to provide 2NM high visibility operating signals for upcoming targets, LED navigation signal lamp has better alarm indication function, and adapt to a variety of harsh environments. 3. IP66 WATERPROOF: The LED navigation signal lamp is built in with high density foam silicone rubber sealing circle, which can completely avoid water induced short circuit. 4. ENERGY EFFICIENT: Navigation signal light's LED beads have higher luminous power, lower energy consumption and longer service life. 5. EASY TO INSTALL: LED navigation signal lamp is super easy to install, the navigation light on the boat can be installed with just screws. 6. COLOR TEMPERATURE: The color temperature of LED navigation signal lamp is port (red) and starboard (green), suitable for hulls up to 12 meters. Specification: Item Type: LED Navigation Light Material: PA Engineering Material, PC Voltage: DC12V Rated Power: 2W Maximum Visual Distance: 2NM (Nautical Miles) Power Supply: External Power Control Light Source: LED Protection Grade: IP66 Applicable Hull Range: 39.4 Feet (12 Meters). Package List: 1 x LED Navigation Light Red 1 x LED Navigation Light Green