The first safe I purchased would not unlock without the key. I could successfully register my fingerprints, and swiping the fingerprint reader would cause the "beep" to sound, the green LED to light, and the locking motor to grown. But it would not open.
Two customer "support" lackeys tried to convince me that I needed a better 9V battery. Eventually they shipped a replacement safe.
The same exact batter worked fine with the replacement safe.
Unfortunately, the replacement safe has the opposite problem of the original safe; it will not LOCK consistently.
Pros: Looks nice
Cons: Doesn't work / poor design
This review was written in the old system and had content requirements that are different than reviews written today.