Stack-On"s Total Defense 28-Gun Safe with electronic lock and door storage holds 28 guns, or can be converted to hold 14 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. The electronic lock includes operational lights for open, low battery warning and incorrect entry, there is a time out period after 3 incorrect attempts. The batteries are easily accessible from the front if they need to be replaced and there is also a trouble key included. This electronic lock has a drill resistant, hardened steel plate behind the lock which provides greater security. This is an ETL tested safe and verified to be fire resistant for 60 minutes up to 1400-Degree F. It is waterproof in up to 2-Feet of standing water for 72 hours and the safe must be bolted to the floor to maintain the waterproof rating. Stack-On"s 4-Way locking system with 1.5-Inch live action locking bolts has 8 locking points. There are 6 adjustable shelves included and it has a 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 which provides flexible storage solutions.