The GunVault MiniVault is a great way to secure pistols in your home. Its 16-gauge steel construction and patented high-strength lock mechanism keep burglars - and kids- from accessing your gun. The unique 'no-eyes' keypad allows allows you to access the gun quickly when it's needed. The interior features foam padding that protects the finish of your gun or other valuables. It measures 12 x 8.25 x 5.25 inches (external), with 11 x 7 x 3 inches of usable storage space. It requires one 9v battery.