Material: the trailer extension cable is made of TPU, waterproof, wear-resistant, high temperature resistant, oil resistant, aging resistant, flame retardant, etc.Trailer extension cable (7 pin 13 pin plug) . Looped cable pops out for easy storage. Prevents the cable from dragging on the ground while towing.Suitable for 12v or 24v vehicles. Easy installation, powers your caravan, tug and truck, to avoid being disturbed by the emergency.Designed to: connect the lighting and electricity of your vehicle to the lighting panel of your caravan or trailer. Suitable for trailers with European standards, establishing the connection between the vehicle and the additional trailer and transferring the electronic signal lights from the vehicle to the trailer.Quality assurance: Our products have undergone strict production and processing and quality assurance. If you encounter any problems during your use, do not hesitate to and we will do our best to solve them for you.Type: Trailer Extension CableOffline Line Length: 2 mLength of the working line: 1.6mMaterial: PlasticFeatures: WaterproofContact Material: CopperInsulation Material: Engineering Plasticmaterial: plasticNumber of classes: 7Number of needles: 13Output voltage: 12V7-pin socketPIN 1 - Yellow wire (left/hand direction indicator)PIN 2 - Blue wire (rear fog lights)< /p> PIN 3 - White wire (earth return)PIN 4 - Green wire (right / H direction indicator)PIN 5 - Brown wire (light right tail light / H and number plate)PIN 6 - Red wire (stop light)PIN 7 - Black wire (left tail light / H and number plate)Note: Other items are not included, the color is based on the first picture, other pictures only show the effect.Due to the differences between different monitors, the pictures may not reflect the actual color of the item.Due to manual measurement. Please allow carts. Thank you!Good quality product