1、Professional Adapter: The heavy duty trailer 13 pin to 7 pin connector is designed for 13 pin plug in automotive to dual 7 pin N and S sockets in trailer or caravan with stable connection. 2、Plug and Play: The trailer 13 pin to twin 7 pin adapter adopts plug and play design, all you need to do is just insert into socket, twist and lock without changing any cable, fast and convenient. 3、Wide Application: The trailer 13 pin to 7 pin converter can well work in cars with a 13 pin plug on the towbar, supplies ancillary charging circuits, fridge or other appliance. 4、Excellent Performance: The high quality trailer 13 pin to twin 7 pin adaptor allows vehicle and caravan, trailer electrics compatible when towing, delivering you more convenience. 5、Waterproof Connector: The trailer 13 pin to twin 7 pin plug after extensive quality and safety test, with excellent waterproof performance, more secure in using.