This .94 cubic foot combination fire resistant safe from First Alert is UL classified for one hour to withstand an external temperature of 1700º F while maintaining an internal temperature of less than 350º F. The safe has been tested by an independent testing lab and verified to protect electronic media including memory sticks, CD's, DVD's and external hard drives. In addition, the safe will protect hand guns, documents, electronics, and other valuables. Patented concealed hinges are designed to resist prying. Waterproof even when fully submerged. Features a combination lock with emergency override key, four locking door bolts, pry-resistant concealed hinges, a removable storage shelf, and a hanging key rack. Exterior dimensions: 16.5"D x 14.5"L x 19"W. Interior dimensions: 12.88"D x 10.38"H x 12.25"W. Five-year limited manufacturer's warranty.