DescriptionUpgraded 18 AWG well- constructed flexible power pigtails provide a simple and secure DIY solution for DC power connectivity, work with a power adapter or a power boxSuitable for all DC power supply voltages 0-24V, especially for for Home Security Camera Surveillance System and other 2.1mm x 5.5mm DC power application, Compatible with All CCTV systems, LED Strip Lights and Other DC Power DevicesUpgraded heavy-duty quality connectors with fine copper wires and elastic soft PVC isolation brings the reliable and secure connection100% brand new high-quality DC power Pigtail connector. All products undergo strict quality testing before leaving the factory to ensure that the quality of the product is qualified. Please rest assured to purchase and use.10 piece of male cable adapter, plug specifications: plug 5.5mm x 2.1mm, male head: outer diameter 5.5mm, inner diameter 2.1mm; two conductor wires; connector polarity: internal positive(center) ; external negative