DC5521 Power Cable : This 5.5mm x 2.1mm male plug to bare wire power cable features red (positive) and black (negatived) wire for easy polarity identification, ensuring safe and stable connection for various devices like LED strips and security cameras. Flexible Construction : Built with coppered cores and double layer PVC insulation, this 18AWG cable wear resistance, flexibility, and durability for long term use in DC12V/24V applications. Multiple Length Option : Available in 0.25m, 0.5m, or 1m lengths to suit different project needs, with the option to cut and customize for specific installations or repairs. Pre Tinned Ends : The pre tinned wire ends simplify soldering and connecting, making setup quick and for enthusiasts and skilled people alike. Wide Compatibility : Ideal for powering LED lights, security cameras, routers, switches, and other low voltaged devices requiring a safe DC5.5x2.1mm power connection.