Fire-resistant, water-resistant safe is made with heavy steel construction, including steel bolt work, to protect your valuables. It is fire rated for two hours. The electronic lock is programmable for up to four users - one manager with the ability to override and three additional users. After three incorrect attempts, the 1.48 cubic capacity safe goes into lockout mode. Design also includes three live bolts, two deadbolts, one tray and one adjustable shelf. Interior dimensions are 12-2/3" wide x 12-1/5" deep x 16-3/5" high. The lock requires four AA batteries (sold separately).