- Spiral cable harness: The spiral design delivers durable, reliable power connections for trailer use over the long term. - Trailer cable wound: Compatible with a wide range of trailers and caravans; provides a reliable power supply for rear lights or when used with a truck adapter. - Trailer adapter: Crafted with workmanship that supports a long service life and dependable operation of the trailer spiral cable and truck accessories. - Robust trailer cable: Suitable for various trailers and caravans; a solid choice for powering trailer tail lights or when using a wound trailer cable. Use scenarios - Towing a caravan or trailer on road trips: ensures a dependable power supply to rear lights for proper signaling. - Using with a truck adapter: provides reliable lighting power when towing with a truck. - Switching between different trailers or caravans: compatible across models to maintain consistent tail light performance.