1、Usage: The trailer lighting extension cable is wear‑resistant and durable, and is used outdoors. It provides a fast and simplified way for vehicle wiring connections and keeps all your trailer wiring in order. 2、Flexible Connection: The stretchable 5‑foot‑long cord provides you with enough flexibility to connect trailer tail lights, brake lights, reversing lights and turn signals. 3、Durable Construction: 5‑pin connector with fully jacketed wire harness, protects indoor cables from inclement weather and dangerous road conditions, rugged and for long life. 4、Plug and Play Design:No need to splice wires, this flexible 5‑pin trailer conversion cable comes to easily connect to your existing wiring to provide both vehicle and trailer connections. 5、Wide Application: This 5 wire trailer lighting extension applies to any kind of trailers including marine boat trailer, horse trailer and other cargo trailers as long as it has a 5 way connection.