Features: brand new and high quality The DC power extension cable is used to convert the chargings interfaces and control power supply. It is widely used in wifi router,speaker, laptop, console equipment, etc The cable is made of durable materials with corrosion and stretch resistance. Easy to use, it is a useful electronic accessory for small electronic devices in daily life. Plug the DC female end into power supply and the DC male end into the device that needs to be powered. This cable only accepts 4.0x1.7mm barrel plug from power adapter and will not work with other sizes. Specifications: Material:Plastic Color:Black Powe:40W Length:Approx.30cm/11.81inches Package Includes: 1x Power Extension Cable note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.