1、Standard European vehicle connector, widely used for commercial vehicles, semi-trailers and trailers, etc. 2、Pure copper contact point, which has good electrical conductivity, plastic shell is eco-friendly, it not easy to rust and corrosion. 3、Weatherproof cap to protect connections when not in use and lock 7-pin socket when in use. 4、This adapter allows you to connect the 7-pin on your vehicle to a caravan or towed item. 5、With 98.4in cable, it can be used as connecting wire. Features: 1. Standard European vehicle connector, widely used for commercial vehicles, semi-trailers and trailers, etc. 2. Pure copper contact point, which has good electrical conductivity, plastic shell is eco-friendly, it not easy to rust and corrosion. 3. Weatherproof cap to protect connections when not in use and lock 7-pin socket when in use. 5. With 98.4in cable, it can be used as connecting wire. 6. Easy to install, no need complicated tools, practical for using. Specification: Condition: 100% Brand New Spring Cable Length: Approx. 2.5m/98.4in Shape: Round Material: ABS + Copper Color: Black Function: Connect truck and power supply, suitable for trailer signal light display Package List: 1 x Trailer Cable Adapter