Features: brand new and high quality Our voltage adapter provides your devices reliable for protection from over-current, over voltage, overload or short circuit. USB to 12V cable can be applied to power the router via power bank if power down; In addition, can also be applied to other device which is 5V power supply, such as small fan, desk lamp, solar panel, USB power pack, power adapter, etc. This 5V to 12V for DC converter is really handy when travelling or outdoors, just power it with a 5V 2A-4A power bank and you can start running your 9V devices. This kind of power cord is 130cm/51.18in long, which is enough to meet your different needs. With this cable, you can connect your power bank to router. Thus, when power cut, you can use your power bank to supply your router. Specifications: Material:Plastic Type:Right Angle,Straight Right Angle Length:Approx.130cm/51.18in Straight Length:Approx.133cm/52.36in Net Weight:36g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x USB Voltage Step Up Converter Cable