Stainless Steel Comination Bow Light - Stamped 304 Stainless Steel - 2nmStainless LED Combination Bow Light (400059) is approved for USCG 2 NM (Colreg 2 mile) and is constructed of corrosion resistant stamped 304 stainless steel with a cast 316 stainless steel 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.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Housing: Stainless Lens Color: Red/Green Visible Range (Miles): 2nm LED: Yes Box Dimensions: 2"H x 4"W x 6"L WT: 0.35 lbs UPC: 035514402309