Unfortunately, apart from CE and made in China plus "Electronic Digital safe" (and looking very much like the image above - but not identical), there's no other identifying model numbers or marks.
I'll ask a locksmith about the key number - but no doubt it' halfway to the trash can (based upon the likely cost of even just "advice").
Anything but "safe". An old fashioned key-locker with numerous secreted keys would be a better solution.
In fact it looks like
In fact from the dimensions at
this link, it's obviously Model: MOF SFT-20EA DIGITAL SAFE (200x310x200)