The innovative shroud and sealed lamp design ensures reliable illumination. Each NaviLED^(R)PRO lamp is also pre-wired with 2-1/2 m of marine grade cable. Ultra low current draw, no bulbs, no maintenance, Multivolt(TM), safe and highly visible, fully sealed for life, UV and corrosion resistant, shock and vibration proof, pre-wired and 3 year warranty. Housing Black Visibility 3 NM