FAVOLCANO 15 Pairs Male + Female 5.5mm x 2.1mm DC Power Jack Plug Adapter Connector for CCTV Camera LED Strip Easy to install, save time and more securer cable connection. Premium Quality: Double Layer(Injection Moulding) Provide Best Polarity Connection and Insulation Quantity: 15 pairs 2.1mm x 5.5mm Female and Male power Jack plug adapter connector Application: Work for CCTV security camera and LED strips. It is a perfect solution for those who want to make custom power cable. This CCTV Camera DC Power Connector will provide a great connection.