Fire resistant for 1 hour to 1700 degrees Dual Access Combo / Key Lock with Emergency Override Key. Heavy-duty steel hinges.2 live locking/2 dead door bolts. Interior Dimensions(HxWxD): 13.77 in. x 12.6 in. x 12.2 in. Exterior Dimensions(HxWxD): 18.75 in. x 17.25 in. x 19.5 in. Weight: 122 lbs. First Alert 2084F Steel Fire/Anti-Theft Combination Safe The First Alert 2084F fire safe's anti-theft features include steel construction, heavy duty steel hinges, and 4 solid steel bolts. The fire safe's 4-number dial combination lock provides a high level of security. The combination lock is designed to be used in conjunction with the entry key: the entry key operates the safe's live bolt after the combination is entered into the dial lock. The entry key can be left in the keyhole using only the combination lock to secure the door, or it can be removed for an extra level of security. Two entry keys included. This First Alert 1.2 cubic foot fire safe is UL classified for 1 hour to withstand an external temperature of 1700 degrees Fahrenheit while maintaining an internal temperature of less than 350 degrees. Features include steel construction, heavy duty steel hinges, and 4 solid steel locking bolts. First Alert 2084F Steel Fire/Anti-Theft Combination Safe Features: Dual Access Combo / Key Lock with Emergency Override Key. Heavy-duty steel hinges. 2 live locking/2 dead door bolts. Interior Dimensions(HxWxD): 13.77 in. x 12.6 in. x 12.2 in. Exterior Dimensions(HxWxD): 18.75 in. x 17.25 in. x 19.5 in. Weight: 122 lbs Removable steel shelf. Mounting hardware included. UL classified media protection device tested to withstand an external temperature up to 1700 degrees for 1 hour. 5 year limited warranty, with lifetime fire replacement guarantee. About First AlertWith a complete line of home safety devices, First Alert is America's most-recognized and most-trusted safety brand. Detectors, fire extinguishers, safety boxes, and other preparedness products give home and business owners alike increased peace of mind. First Alert is actively involved in the communities it protects, too, with longstanding outreach initiatives supporting fire service and other organizations dedicated to fire prevention, carbon monoxide detection, and safety.