Feature:1. Small, light in weight, simple and easy to operate, plug and play, bring you more convenience.2. Help expand the trailer lighting board and wiring, and bring you more convenience.3. The copper wire allows the transfer to achieve the best results, with stable performance and high efficiency.4. Plastic shell, is durable, waterproof, long‑term use as new and has long service life.5. Widely used in commercial vehicles, trailers, RVs, ships, etc. Can more accurately meet your demands.Specification:Condition: 100% Brand NewItem Type: Caravan Spring Cable.Material: PlasticContact Material: CopperColor: BlackFeatures: WaterproofNumber of Cores: 7Number of Needles: 7Main Function: Connect trailer and power supply, suitable for trailer signal light display.Applications: Commercial vehicles, trailers, RVs, cars, ships, etc.Package List:1 x Caravan Spring Cable