The 2.1 cubic feet digital waterproof fire resistant safe is UL classified for 1 hour to withstand an external temperature of 1700 degree Fahrenheit while maintaining an internal temperature of less than 350 degree Fahrenheit. 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 documents, electronics, and other valuables. The safe's concealed hinges are designed to resist prying and is waterproof even when fully submerged. The Ready-Seal safe is the only safe in the industry that can be bolted to the floor and remain waterproof and fire resistant with the warranty completely intact.