uxcell 2PCS DC 5.5x2.1mm Male to Female Connector CCTV Camera Power Extension Cable 3Ft Package Content: 2 x DC Power Cable; Connector Type: DC 5.5x2.1mm Male to Female Net Weight: 62g; Product Name: DC Power Cable Color: Black; Material: Plastic, Electric Parts; Size: Length:1M / 3Ft Suitable for adapting power supply cable to CCTV cameras. This cable will only work with power adapter with 2.1mm x 5.5mm connector and not other sizes.