Lunasea Lighting Tri-Color/Anchor/ Strobe LED Navigation Light. This lightweight fixture made of machined aluminum weighs just 140 grams (4.9 ounces). We've added emergency strobe auto daylight turnoff for anchor and a removable bird spike. The waterproof connector is only 0.38 inch wide for easier cable routing. The glass lens assures excellent light transmission for the life off the product. This fixture produces NO EMI and utilizes Active Current Control technology. The masthead lamp eliminates all high frequency noise without compromising optical capability or mechanical and electrical specification.And last but not least we hard anodized the unit to withstand harsh saltwater environments. Specifications for Lunasea Lighting Tri-Color/Anchor/Strobe LED Navigation Light: Manufacturer: Lunasea Lighting Light Type: Navigation Color: Black Bulb Type: LED Features of Lunasea Lighting Tri-Color/Anchor/Strobe LED Navigation Light Anodized Machined Aluminum Ultra-light Weight only 4.9 Ounces Miniature Waterproof Connector Glass Lens Maintains Full Brightness as low as 10VDC Three Wire Hookup Removable Anti-Bird Spike Voltage Range: 12VDC Power Consumption: 4 Watt Light Output: 2NM Enclosure: Machined Aluminum - Removable Aluminum Bird-Spike Wiring: 3 Wire Package Contents: Lunasea Lighting Tri-Color/Anchor/Strobe LED Navigation Light Lunasea Lighting LLB-53BK-01-00: Tri-Color/Anchor/ Strobe LED Navigation Light