Karini 12-15 Biometric Gun Safe for Rifles and Pistols Fingerprint Rifle Safes for Home Large Gun Cabinet for Rifle with Optics or Shotguns Clearance Gun Safe Long Gun Locker with Removable Shelf

A simple locking gun cabinet (vs. a true gun safe) is really all you need to keep guns safe from kids and house guests. I have been happy with this inexpensive cabinet off Amazon that has physical key + keypad + fingerprint access: https://www.amazon.com/dp/B0FB3G3LY9, currently on sale for $160.