White and Black LED Navigation Lights 400057, 400058 are approved for USCG 1 NM (Colreg 1 mile).
SS LED Navigation Lights 400059 are approved for USCG 2 NM (Colreg 2 mile).
The 400057, 400058, and 400059 are waterproof, with an IP rating of 67. The base material for the 400057 and 400058 is Zamak, and the base material for the 400059 is cast 316 stainless steel.
Note: All USCG approved navigation lights must be mounted properly to provide the correct visual alignment and allow unimpeded sight lines. Please refer to United States Coast Guard regulations for 1 NM and 2 NM navigation lights for more information.