Micro Traders 2x Square DC Power Converter 7.4mm x 5.0mm Male to 5.5mm x 2.1mm Female Connector

["Connector Size: 7.4mm x 5.0mm Male to 5.5mm x 2.1mm Female DC Connector tip.","Wide range of applications: Suitable for electronic component interface conversion, supports external power supply and onboard transformer, easily solves interface incompatibility problems.","The 7450 male to 5521 female connector features a sturdy and durable square design, ensuring smooth insertion and removal and stable and reliable power transmission.","Made with high-quality conductive materials, it offers low-loss transmission and effectively reduces voltage drop.","Package contains 2 units to meet the needs of multiple devices."]