Overview This DC Female Barrel Jack Connector with Cable (also known as DC Jack, Female Power Jack, Barrel Plug, DC Barrel Connector, or DC Socket with Wire) is the perfect solution for connecting your power supply to various DC-powered devices like Arduino boards, LED strips, CCTV cameras, and other electronics.Featuring a standard 5.5mm outer diameter and 2.1mm inner pin size, this DC connector cable ensures a secure and stable connection between your power adapter and the device. The attached cable makes it easy to integrate into your DIY projects or repair jobs.Whether you're working with a power module, a battery adapter, or building your own power setup, this female barrel plug with cable is reliable, durable, and widely compatible.