How to transfer video file from Camera Roll to USB drive?

1.) Open up the iUSBport app on iPad and tap "Photos".  Select the "Camera Roll"

2.) Tap the "Edit" at upper right corner, and select the .mov video file.  Tap the "Copy to" icon.

3.) Tap the destination "iUSBport-1" where the video file will be copied to.

4.) Tap the  "C" where is the attached USB storage device.

5.) Tap the "New Folder" to save the video file in the created new folder.

6.)  A new folder "Test" is created and tap "Select Folder" to paste the video file into "Test" folder.

7.)  The selected video file is being transferred, the window of progressing bar is displayed.

8.) Once it is finished, the window of "Transfer completed" is displayed.