... is to connect a computer (desktop, laptop)for power, no need extra power adapter. 2. It can be used for any ... DC-2.0 female power port for power in; 1 DC-2.0 male power port for power out;Input Voltage: DC5V ... top it all, you do not even need an extra power for this. it is capable of using any voltage ... dm8000, azbox, etc... then you don't even need power, just plug the usb cable into the usb slot of ...