Questions about Yale Documents fire safe

How can the safe be opened after a fire if the input module can no longer be operated?

which fire safes have an electronic keypad and also a physical key (in case of battery or electronics failure) ? This nformation doesnt seem to be in any of the product descriptions even though some safe manufacturers say on their websites that they have this

Can the safe be fixed to the wall? Are the drill holes on the back wall available? Thank you.

Does the safe have a false bottom?

The new safe has been delivered, how do you open the door if batteries have not yet been installed?

Is there also a key to it?

What is its weight?

The dimensions are probably not correct. Is this safe really only 8 cm high?

Effective external depth: By how much does the external depth incl. lock and fittings increase? Many thanks in advance!

Are the details on the picture correct? I think the ones in the specifications are not correct, otherwise it would fill a whole room.