100% High quality and Brand new Input Voltage: DC 5V Output Voltage: DC 12V Max Input Current: 2.1A Max Output Current: 800mA(For 800mA or less application is recommended) Cable Length: Approx 98CM/3.2Ft Input Interface: USB A Type Male Output Interface: 2.1x5.5mm Plug， still fit for 2.5x5.5mm.Package Includes: 1 x Cable