1.Products with high purity nickel interface, improve the oxidation resistance, wear resistance, make the product more durable. 2.Wire using environmental protection PVC, excellent workmanship, soft line body , good flexibility, strong anti interference performance. 3.Applicable to the Interface for 5.5mmx2.1mm Device, such as a Laptop Computer, Cameras, Ordinary Household Electric Appliances etc.. 4. 5.5mm x 2.1mm Female To Male Adapter,Security Cable Cord Connector. Item Features: 100% brand new 5.5mm x 2.1mm DC extension cable wires Cable Type: 20AWG 80°C 300V Maximum Voltage : 36V Maximum Current :(20AWG)5A Conductor Material: copper Insulation Material: PVC DC Connector Outside Diameter: 5.5mm DC Connector Inside Diameter: 2.1mm Cable Length (approxi ): 10m The dc cable does not converter the voltage, it is a straight passthrough. Package Includes: 1 x 5.5mm*2.1mm DC extension cable wire 20x zip ties 20x nails