The Plug Is Made Of Impact-resistant Polycarbonate, The Connector Is Made Of Solid Copper And Nickel, And The Terminals Are Silver-plated. The Terminals Provide Low Resistance To Achieve Incredible Conductivity. Silver Plating Makes The Connection Very Stable. The Plug Can Achieve Reliable Weather Resistance And Anti-vibration Connection. It Cannot Be Cross-connected And Is Usually Used To Connect Auxiliary Power From The Vehicle To The Trailer. . Rated Current: 50a Voltage: Maximum 600v Working Voltage: 12v Or 24v Operating Temperature: -20 To 105 Cable Size: 6bs / 6awg (maximum 13.3 Square Millimeters) Life Cycle: 10,000 Mating Cycles Fire Resistance: Pc Ul94v-0 Pressure Resistance: 2 Tons Size: 36x48.2x16 Mm Weight: 23g Colour: Gray/blue/red/yellow/black Material: Plastic Package Contents: 1 * Contacts Plug 2 * Terminals Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Pictu