There’s fakes floating around out there, here’s some info from Inisight as to how to identify them: http://www.pdf-archive.com/2010/12/02/m6x-knock-off-vs-insight/m6x-knock-off-vs-insight.pdf
There’s fakes floating around out there, here’s some info from Inisight as to how to identify them: http://www.pdf-archive.com/2010/12/02/m6x-knock-off-vs-insight/m6x-knock-off-vs-insight.pdf