Perko Removable Bi-Color Boat Navigation LightThis Perko Removable Bi-Color Boat Navigation Light features a deck illuminating utility light and a polymer top and collar with red and green lenses. It is certified for use on power driven vessels under 20 meters (65.6 ft.) in length. With a stow-a-way plug-in type pole and a locking collar, this boat navigation light will require a 3 Pin mounting base.Features: Deck Illuminating Utility Light; Locking Collar; Polymer Top and Collar With Red and Green Lenses; Certified For Use On Power Driven Vessels Under 20 Meters (65.6 ft.) In Length; Stow-A-Way Plug-In Type Pole; 3/4 Inch Diameter Anodized Aluminum Tube; Requires 3 Pin Mounting Base; Specifications: Fits Bases: 1045 & 1047 (3-Pin); 12 Volt Bulb (Included); Pole Rake: 0; Click here to download Perko Removable Bi-Color Boat Navigation Light Installation Instructions