Compatibility: This short compact 7 to 13 pin adapter is compatible for any standard 7 pin female hitch socket to adapt to a standard 13 pin male plug. Signal stability: the use of contacts with High quality copper core with good conductivity makes the electrical connection between the main vehicle and the trailer quick and stable. Safe and Reliable: Pass EN61000, RoHS, CE certification, reliable product, 12V/ 24V universal. Plug and Play: Positioned, insert the trailer hitch adapter. Very easy to install, remove and replace. Weather resistance: It is made of high quality ABS and copper material, can prevent rust, durable service life. It can provide a safe and stable electrical connection for the trailer lights of commercial auto, automobile, boat and special vehicles. This trailer plug adapter is suitable for European standard trailer and establishes a stable and safe connection between the main vehicle and the towed vehicle. Product name: 7 to 13 pin adapter Material: ABS + copper ColorBlack Voltage: 12V/24V universal Dimension: Diameter 4.2cm, Length 8.5cm Weight: 80g Package 1 * 7 to 13 Pin Trailer Electrical Connector