Features 1. Wide range of applications, suitable for commercial vehicles, trailers, RVs, automobiles, ships, and more. 2. Designed to connect the trailer and power supply, ideal for trailer signal light display. 3. Easily converts existing trailer plugs without wiring—simple plug-and-use design. 4. Compact size of 75x60x22mm / 2.95x2.36x0.86in, space-saving and easy to store when not in use. 5. 7-pin flat male plug trailer socket adapter with 12V output voltage, compatible with most vehicle systems. Specification Item Type: 7-Pin Flat Male Plug Trailer Adapter Material: ABS (Acrylonitrile Butadiene Styrene) + Copper Color: Black Size: Approx. 75x60x22mm / 2.95x2.36x0.86in Shape: Flat Output Voltage: 12V Application: Suitable for commercial vehicles, trailers, RVs, cars, ships, and more How to Use: Plug in and ready to use Package List 1 x 7-Pin Flat Male Plug Trailer Adapter