eLine Technology ECO3 DvrSeeSee Manual - Manual (Page 7)

Saved Photos (Gallery)
In the Saved Photos option you will be able you
view every snapshot you have take using the
camera icon on the live view or in playback mode.
Information presented will be the file size, time
and date of when the snapshot was take on live
view or the time and date of when the footage was
recorded if take during playback. The file name will
also be displayed.
Two functions are available in this section. Zoom
and delete.
All saved photos are accessible outside of the app
in the phones sdcard folder. From there you can
change the file name and the change will be
reflected in the Saved Photos on the app.