xiaomi 360 home 2k and pro

I have a question regarding the cameras storage,

from what I've gathered it uses a micro ssd card for it.

What I'm wondering is what would be the largest ssd that could be inserted into the camera,

and how much recording hours would that cover, or how much hours is how much disk space?

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2nd question is can I programe my camera to record over the existing recordinigs when the storage is depleted?