1、Power the Trailer Lights: Connect the trailer plug to the vehicle socket and easily power your tail lights, brake lights, and turning signals. 2、Stable Performance: Features anti corrosion durable casing, and heavy duty metal connector structure, the plug adapter uses brass terminals, ensuring excellent conductivity. 3、Safe and Reliable Connection: The connectors can be easily snapped into the existing sockets of the trailer, ensuring a firm fixation with no room for back and forth movements or loose parts. 4、Spring Wiring Design: With a maximum stretch distance of up to two meters, this plug adaptor ensures installation and applicability in most environments. 5、Hassle free Installation: The adaptor offers a simple and convenient plug and play design, eliminating the need for cutting or splicing.