Sea-Dog 1nm LED Comination Bow Light Injection Molded ABS Black. Black LED Combination Bow Light (400058) is approved for USCG 1 NM (Colreg 1 mile) and is constructed of injection molded ABS with a Zamak base. Installs with two #8 RH fasteners (not included). IP67 waterproof rating. All USCG approved navigation lights must be mounted properly to provide the correct visual alignment and allow unimpeded sight lines. Please refer to USCG regulations for 1 NM and 2 NM navigation lights for more information. Specifications for Sea-Dog 1nm LED Comination Bow Light: Manufacturer: Sea-Dog Light Type: Interior Color: Black Bulb Type: LED Package Contents: Sea-Dog 1nm LED Comination Bow Light Sea-Dog 400058-1: 1nm LED Comination Bow Light Injection Molded ABS Black