HELLA 980520811 '0520 Series' NaviLED Multivolt 8-28V DC 2 NM Compact Port and Starboard Navigation Light Kit with Colored Outer Lens and White Shroud All HELLA Marine lamps feature advanced materials and state of the art technology for reliability, efficiency, and safety at sea Multivolt 8-28 Volts DC technology is both spike and reverse polarity protected Minimum visible distance is 2 nautical miles Pre-wired with 120 millimeters of single core marine cable UV resistant, enhanced impact acrylic lens