It can be programmed easily, offers enough space for backing folders and other things to be kept under lock and key.
In addition to the shorter Standard Code there is also a changeable master code, with which one need be can still open, but should be omitted even one of the short code, because you change it more times. The additional 2 emergency are still the last security if even the General Code should no longer be zugängich. But I do not hope I ever need to.