Drop slot safes

Anyone have a recommendation for a safe with a drop slot that I can keep in my restaurant.

Is it better to place under the counter in the front or in the office?

Thanks!

I would keep it in the office
This is what I use
https://www.homedepot.com/p/SentrySafe-Depository-Safe-0-94-cu-ft-Electronic-Lock-Drop-Slot-Safe-DH-074E/100669823