Usage Tips:Features: Suitable for European standard trailer. Converts the 7-pin socket on your car to the 13-pin female socket. Establishes a secure connection between the major vehicle and additional trailer, supporting synchronous display of the electronic signal lights from vehicle to trailer. Deft appearance, stable performance and convenient usage. Made of premium material housing, weatherproof and durable. Easy installation, plug and play. Specification: Color: Black Contact Material: Brass Insulator Material: Plastic Housing Material: Plastic Voltage: 12V Package Weight: Approx.135g/4.8oz Package List: 1 x Trailer Adapter Note: 1. Please confirm the fitment of the adapter before placing an order. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. .