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 low resistance to achieve conductivity. Silver plating makes the connection stable. The plug can achieve weather resistance and anti-vibration connection. It cannot be -connected and is usually used to connect auxiliary power from the vehicle to the trailer. Brand new and high quality. 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 : 10,000 mating cycles Fire resistance: PC UL94V-0 Pressure resistance: 2 tons Size: 36x48.2x16 mm Weight: 23g Colour: gray 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.