Features:Suitable for truck brake head joint pipe, semi-trailer, box train, container truck.Perfect for trailer and easy to use it.Used for connecting the car to brake lights, side lights and so onHigh performance, high wear resistance.High tear strength, good weather resistance.Anti-microbial invasion, heat and flame retardant.Description:Wide range of applications and universal fit for commercial vehicles / trailers /cars / ships and so on.Perfect tool that is useful,helpful and so practical.It has been through testing standards for safe using.Specification:Item Size:9*6*4cmLength:3.5 MetersColor:blackMaterial: TPUWorking pressure: 3.5-8MPaOperating temperature: -40- + 120%Burst pressure: 35--70kgVoltage output: 12VType:7 pin to 7pin Package included: 1 x Trailer Connector With Cable Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.