2-meter coiled design for flexibility and space-saving: Equipped with a 2-meter coiled cable, it can be flexibly extended for various connection scenarios at varying distances between the trailer and the caravan. The cable can be tightly coiled for storage, eliminating the need for extra storage space and making it both portable and practical. 7-wire, fully functional transmission ensures electrical system stability: The 7-wire cable connector can transmit a full range of signals between the trailer and the caravan, including power, brakes, steering, and tail lights. It perfectly matches the trailer adapter, ensuring stable operation of electrical functions such as lights and brakes, providing a solid foundation for driving safety and device connectivity. Robust connector withstands harsh vehicle conditions: The connector housings are made of durable and impact-resistant materials. The internal metal contacts are highly conductive, oxidation-resistant, and corrosion-resistant. They can withstand complex environments such as vehicle vibrations, fluctuations in external temperature and humidity, maintaining a stable connection and excellent durability. Exclusively designed for trailers and caravans, with precise adaptability: This 7-pin trailer extension cable is precisely adapted to the electrical connector specifications of trailers and caravans, ensuring seamless integration of both trailers and external devices into RVs. It is an essential accessory for electrical connections in trailers and caravans. Plug-and-play installation: The plug-and-play connector design eliminates the need for complex wiring or tools; simply align and connect the plug to connect.