?? 7-pin trailer adapter connects the major vehicle and the additional trailer， and transfers the electronic signature from the vehicle to trailer.

Features:
7-Pole Blade RV Vehicle End Connector.
Brass contacts to prevent corrosion.
Built in cable clamps.
Accepts standard 7-way RV trailer connector.
Accepts wide range of wire gauges.

Specifications:
Item Type: Electrical Plug & Sockets
Item Name: 7-Pin Trailer Plug
Material: Plastic
Color: Black
Input: 12V
Product Size: 10.5 * 7 * 7cm / 4.1 * 2.8 * 2.8in 
Product Weight: Approx. 146g / 5.1oz
Package Size: 16.5 * 10.5 * 6.5cm /6.5 * 4.1 * 2.6in 
Package Weight: Approx. 146g / 5.1oz

Package List:
1 * 7-Pin Trailer Plug