Universal fits for 12V vehicle, motorcycle, ATV, boat, car or marine

Your motorsports video camera, your GPS, your iPod, Smartphone, even your normal digital camera can all be powered or recharged from a USB port

Input Voltage: 12V-24V±4.0V; Output Voltage: Dual 5V/2.1V

Wiring Method: Connect the red wire with ''+'', the black wire with ''-''