First Alert 1.32 cuft, waterproof & fireproof digital safe, easy to use digital keypad, ready seal is the only safe in the industry that can be bolted to the floor & remain waterproof & fire resistant with the warranty completely intact, ul classified for 1 hour to withstand an external temperature of 1,700 degrees Fahrenheit while maintaining an internal temperature of less than 350 degrees Fahrenheit, has been tested by an independent testing lab & verified to protect electronic media including memory sticks, cds, dvds & external hard drives, protects documents, electronics, & other valuables from theft, fire & water damage, concealed hinges are designed to resist prying & is waterproof even when fully submerged, interior dimensions 13.63"h x 13.25"w x12.50"d.