Ancable Replacement 4-Pack 5_5x2_1mm DC Female Jack with Shrinkle Tube Solder Type DIY DC Barrel Power Supply Socket for CCTV DVR Camera

1?Perfect for replacing worn out plugs on power supply ends or making a cable to a desired length or replacing a broken connector. 2?Easy to handle,you really don't have to be a professional to do this. Just insert the cables in the holes, twist and lock in place, and only then solder. 3?Dimension:External diameter is 5.5mm, internal diameter is 2.1mm NOTE: Please double check the connector dimension you need before placing the order 4?WIRING DIAGRAM:The longer side is negative, the shorter side is postive. 5?This listing comes with 4-Pack connectors with some shrinkle tube. it saves you much and makes you always have enough backup.Additional shrinkle tube make it a plus for you