Feature 1Heavyduty black plastic construction prevents rusting, enhances durability. 2Easily plugs in your vehicle's electrical socket and no modification or additional wiring needed. 3Mainly used for taillight signal synchronization display. 4Widely application, suitable for most trailers, semitrailers, caravans, RV. 5Professional manufacturing, high accuracy and good reliability.Condition: 100% Brand NewItem Type: 7-Way to 4-Way Trailer ConnectorMaterial: Plastic + MetalColor: BlackMain Functions: Trailer, RV tail light signal synchronous displayScope of Use: commercial vehicles/semitrailers/trailersFitment: Suitable for most trailers, semitrailers, caravans, RV .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xTrailer Adapter Coiled CordNotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.