Quickly convert your 7 round vehicle side connector to a 4 flat trailer end connector. This adapter has a built-in converter for vehicles with independent brake and turn signals. This adapter incorporates an easy grip design and includes a dust cover for the 4 Flat to help prevent corrosion. Product Features:Plug-In Simple AdapterBuilt-In Taillight Converter For Vehicles w/Independent BrakeBuilt-In Taillight Converter For Vehicles With Turn SignalsIncludes Dust CoverImpact And Corrosion ResistantFlexible Wire Provides Larger Turning Radius