LED Removable 360° All Around Lights are approved for USCG 2NM (Colreg 2 mile). Constructed of injection molded nylon and aluminum. Installs with three #8 FH fasteners (not included). 12 VDC. 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.