Quickly convert your 7 blade vehicle side connector to a 4 flat or 5 flat trailer end connector. Its Nite-Glow function checks to see if you are getting power from the tow vehicle， and confirms you have installed the adapter properly. If the connector glows red， you have a solid connection. This patented Multi-Tow adapter includes two dust covers for both the 4 flat and 5 flat to help prevent corrosion.FeaturesNite-Glow illuminates on Taillight Function Verifying ContinuityPlug-In Simple!® AdapterMulti-Tow® provides multiple towing options from one connectorIncludes Dust Cover for both 4 and 5 flatImpact and corrosion resistantEasy grip design90 Day Warranty From The Date Of Original PurchaseWarrantyp90 Days/p