1Stable Base and Pole: The navigation light has a stainless steel base and aluminum pole, which can stand stably in rough seas without worrying about the base breaking. 2Durable Material: The navigation light adopts a 316 stainless steel base, rust resistant aluminum rod, and Pc lampshade, which can be used for a long time in high humid environments. 33NM Visibility: Boat anchor light has 63LED lamp bead, the visibility is greater than 3nm, with 12?24V wide voltage, suitable for use in seawater. 4IP66 Waterproof: The anchor light with a waterproof ring can completely prevent dust from entering and can withstand the impact of fierce waves or strong water mist. 5Wide Application: Marine stern lights provides 360 degree illumination, improving safety during boating at night, and suitable for yachts, boats, speedboats, etc.