6 NM double masthead light+ 3 NM double 360° white silver. The configuration follows the application identified in the product name. Article 186938112STCD. Visibility: 6 NM. Lopolight LED navigation light with IP68 protection and 10–32 VDC supply, intended for marine navigation in accordance with COLREG72. The standard housing uses anodized aluminum with a PMMA lens and A4 stainless-steel fasteners.