[Material] Made of PA.PU, it has good resistance to cold, flame, oil and abrasion and meets the requirements of different working environments. The allowable voltage is less than 76V; The length is 2m. [High Quality Construction] Robust housing for quick and easy connection. The protective layer with rubber seal on the back can prevent moisture and dust. [Main function] One end is 7 pin connector and the other end is 7 pin connector . Connect to the trailer and power supply, suitable for displaying the trailer indicator light. [Scope of application] Commercial vehicles / trailers / motorhomes / limousines / ships / truck brakes / connecting pipes / semi-trailers / freight trains / container transporters, etc.