It has never been this secure with the sentrysafe ds3410 california approved for gun. It has multi-level movable shelves to meet the user’s preferences. It allows the user to organize a maximum of A4 size document. Its exterior dimension is 22 x 18 x 16 inches. While, the interior room of the safe is bigger than the user expect it to be. It has key rack that is situated on the door so they are hassle-free to find. Also, the door has a compartment for small sized valuables. The whole unit is made of hard steel. It has three number combination locks with sound and tubular key lock. It has four live-locking bolts that keep it to and away from any surface. It has ETL 1 verified fire protection chemical sprayed on the outer layer of the unit. It has UL Classified one hour price protection. Users would have a hassle free installation since it is pre-assembled. Its edge over other safes is that it is sprayed with fire resistant chemical.