For use on power driven vessels under 20 meters (65.6') in length. 2 NM visibility. Stow-A-Way plug-in type pole. Clear fresnel globe, chrome plated brass top and base, screw on polymer collar. Waterproof cap and retainer. Mounting base included. Gold plated contacts. 12V bulb included. 3/4" anodized pole. 3-3/8" x 2-1/4" base.