Sea-Dog Side Mount LED Navigation Port / Starboard Lights 2 NM Stainless Steel. LED Side Mount Lights 400078 are approved for USCG 1 NM (Colreg 1 mile). Constructed of injection molded ABS. Surface mounts vertically with two #8 FH fasteners (not included). 12VDC. Low amp draw. 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 Side Mount LED Navigation Port / Starboard Light: Manufacturer: Sea-Dog Light Type: Navigation Bulb Type: LED Package Contents: Sea-Dog Black Side Mount LED Navigation Lights Sea-Dog 400079-1: Side Mount LED Navigation Port / Starboard Lights 2 NM Stainless Steel