Hopkins Towing Solutions LED 4in Sealed Automotive Running Board Clearance Light Red CW1531R 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.