Youre Safer With Us. Every Product Produced By Agrieyes Is Built By A Professional And Experienced 15 Person Engineering Team.Every Design Requires Months Or Even Years Of Research Into Structural, And Other Factors. The Goal Is To Obtain The Highest Efficiency Conversion While Consuming The Least Amount Of Energy Possible, So That The Final Product And Design Precisely Satisfy Consumer Demands. We Are Looking Forward To Work With You To Make Our Market Unique And Irreplaceable. Specifications: Agrieyes 7 Pin To 4 Pin Trailer Adapter Color: Black Plug-N-Play Weatherproof And Corrosion Resistance Voltage Range: 6-24 Volts Product Material: Plastic Waterproof Cap Material: Rubber Number Of Insert Cores: 5Pin And 4Pin 7 Way Terminal: Brass Main Function: Connect And Transmit Electrical Signals Between The Tractor And The Towed Vehicle. Application Range: Commercial Vehicle/Trailer/Rv/Car/Ship, Etc. Package Included:1 X 7Pin To 4Pin And 5Pin Trailer Plug Adapter If You Have Any Questions, You Can Contact Us And We Will Reply You Within 24 Hours.