A pair of attwood quaser led boat navigation lights. The led boat navigation lights have a visible range of 2 miles. Suitable for all boats up to 20 meters in length.Quasar 2-Mile Deck Mounted boat navigation lights- 12V - Black Housing. Part #: 3120-7. The led boat navigation lights quasar lights are intelligently planned for easier installation, maintenance, and efficient light output. For use on boats up to 65.6 ft.