Features: USB typeC booster- input voltage is DC 5V, output voltage is DC 5V 9V or 12V Output Power 6W The step up regulator is designed with switch, you can choose the output 9v or 12v through it, and the LED display would tell the output voltage value.. The converter can be used to power the router- via powerbank-if power down. Plug-and-play, you can still enjoy the wifi during power cuts. It can also be applied to other devices which is 5v power supply, such as small fan, desk lamp-, solar panel, USB /TypeC power pack, power adapter. Specifications: Material: ABS USB：5V2A input for DC- ：5V 9V 12V DC- Connector :5.5x2.1mm Output Power:6W Connection Type：with TypeC Adapter/ USB Cable Length:approx 100cm/39.4in Package Includes: 1 Piece USB/ TypeC to DC Cable note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.