Features: Elevates your devices power sources with the USB to DC5521 Cable, a step up converter that seamlessly transforms 5V USB power to DC12V/9V output. This durability cable features a DC5.5x2.1mm plug with quality materials for efficient energy conversion and long last performances. Suitable for enthusiasts and professional who require a reliability power solution for devices such as routers, speakers, cooling fans, and LED lighting systems. Suitable for routers with 9V1A/12V1A 5.5x2.1mm interfaces, surveillances cameras, speakers, cooling fans, 9733 blowers, car fans, LED lights; With its builts in switcher and small designs, managing power delivery have never been easy, making it for your electronic setups and gadget collection. Specifications: Component:Plastic Length:Approx.120cm/47.24inch, USB Input:5V3A DC5.5x2.1mm Output:9V1A,12V1A(Optional) Package Includes: 1pc USB Voltages Step Up Converter Cable note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.