Record

X/Y launch-window units, Oct 12-13 2013 (Japan, Europe, Americas), first 2 days

4 million units (more than) First 2 days

ReportedReported by a reliable secondary source, or read carefully from filed documents.

Where it comes from

The line in the source

more than 4 million units across Japan, Europe and The Americas on Saturday, Oct. 12, and Sunday, Oct. 13