7-pin, 4-pin Trailer Plug Socket Wiring 12v Electrical Connector Adapter for Rv Us Version

What It Does:Dual 4-Way and 7-Way Trailer Hitch Wiring Adapters That Allow Connecting A 4-Pole Or 7-Pole Trailer to A 4-Pin Socket for Taillights, Brake Lights, Turn Signals, Backup Lights, Electric Trailer Brakes and Auxiliary Power Supply (12v + Wire) Power Supply.Applicable Vehicles:Trailers, Semi-Trailers, Caravans, MotorhomesNumber Of Needles:Us Version 7-Pin 4-PinColour:BlackMaterial:plasticPackage Contents:1 set x Socket Wiring SuitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.