Hopkins Towing Solutions LED 4in Sealed Running Board - Clearance Marker Light Amber CW1531A is DOT Compliant (FMVSS108 and CMVSS compliant) and meets standards when installed correctly. The LED light is sealed in epoxy coating to resist damage/corrosion and the lens and housing are sonically welded together to prevent water entry. Package includes one light chrome colored bracket and plug- everything needed for an easy surface mount install. Light dimensions are 4-1/16 L x 1-1/16 H x 0.5 W. Plug is industry standard 3-prong.