1、Power Trailer Lights: Connect the trailer plug to the vehicle socket to turn on the taillight, brake light, turn signal, easy to use. 2、Durable Performance: Trailer light adapter comes with a durable housing, heavy duty silver metal joint construction that is not easily damaged, and features brass terminals for excellent electrical conductivity. 3、Secure Connection: Easily lock into trailer socket for a solid connection, no room for rotation or loose fittings, ensuring safety and stability during towing. 4、Spring Wire Design: With a retractable length of up to two meters, trailer adapter plug allows for easy installation in most environments. 5、Easy Installation: Plug and play design, no cutting or splicing required, making it hassle free to set up for immediate use. Item Type: 7 Pin to 13 Pin Trailer Adapter Material: Rubber+Metal+Brass Pin: 7 pin to 13 pinSpring Wire Extension Length: Approx. 2m / 6.6ft Fit for Caravan boat 1 x 7 Pin to 13 Pin Trailer Adapter