Description:5.5mm x 2.1mm Male to Male DC Power Jack is used to connect two CCTV camera cables together. Perfect for adding extension cords to existing cables. Nickel-plated adapters for smooth connections, corrosion, and rust resistance.Specification:Connector Type: 5.5mm x 2.1mm Male to MaleInstallation Type: Solderless typeSurface Treatment: Nickel-platedTotal Size: 42.6 x 12mmPackage Includes:2pcs x 5.5mm x 2.1mm Male to Male DC Power Coupler.
eBay