301-106ST double stern light V 3 NM 50+ M. Article 186906AST is intended for the configuration and application stated in the product title. Visibility: 3 NM. Vessel range: for vessels in the 50+ m class. Vertical mounting. 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.