HELLA 959909211 '9909 Series' NaviLED PRO Multivolt White 9-33V DC 3 NM LED Stern Navigation Light with White Shroud 3 NM NaviLED PRO Stern Navigation Lamp - White Pro Series with High-Impact housing with Grilamid lens 12/24VDC. Low-Current Draw. Completely sealed, IP67 Certified. Pre-Wired w/ 2.5m twin core marine cable. 5 year warranty. Minimum visible distance is 3 nautical miles LED technology means ultra low current draw and no bulbs means no maintenance for an ultra long service life Multivolt 9-33 Volts DC technology is spike protected to +500 Volts DC and reverse polarity protected to -500 Volts DC Sealed light unit clips into mounting shroud for an ultra secure attachment Pre-wired with 2.5 meter of twin core marine cables