Stack-On"s Total Defense 36-Gun Safe with combination lock and door storage holds 36 guns, or can be converted to hold 18 guns plus storage, or all storage. This safe is a California approved firearms safety device that meets the requirements of California Penal Code Section 12088 and the regulations issued thereunder. This Stack-On Total Defense safe has a 3-number combination lock with a drill resistant, hardened steel plate behind the lock that provides greater security. It is tested and verified to be fire resistant for 60 minutes up to 1400-Degree F by ETL an independent testing lab. It is waterproof in up to 2-Feet of standing water for 72 hours, the safe must be bolted to the floor to maintain waterproof rating. Stack-On"s 4-Way locking system with 1.5-Inch live action locking bolts has 8 locking points providing better security. There are 6 adjustable shelves included in the fully carpeted interior. The door storage system includes removable, zippered bags that let you pack and store your gear in less time as well as a large document pocket and removable holsters for pistol storage providing flexible storage for all of your items.