Specifications: Voltage - DC 12V; Power - 6W; Product Size - 3.1 x 3.9 x 1.7 inches; Radiation Angle - 225 degrees; MORE VISIBILITY AND SAFETY: Featuring a proprietary optical design, the red and green lenses are housed in a die-cast triple chrome-plated zinc cover. Perfect for late night boating, these bi-color lights cut through fog to keep you safe and visible. Meets US Coast Guard requirements for 2 nautical mile visibility. Durable Enclosure Cover Design: Passed 72 hours salt spray test compared to chrome-plated zinc enclosure cover. It avoids corrosion problems. Innovative LED Optical Design: The two-color navigation light adopts an innovative LED optical design, which minimizes the heat of the light to prolong its service life while ensuring the brightness of the navigation light. IP 67 Waterproof Design: The built-in gasket can completely prevent water from entering the inside of the light and cause short circuit problems.