Description:

1.Connector 5.5mm (external diameter) x2.1mm (inner diameter) for plug,2.1mm central positive connection type,check the plug size before purchase,does not work with other connector size

2.This extension cable for 5v dc universal adapter, female to male

3.2 or more extension cables can be placed together to meet needs or more.

4.The smaller the AWG number,the thicker the wire