The Diamond SA-DIA1 provides everything you need in Home and Office secure storage solution and nothing that you dont. Secure, easy to use, purpose build to fit your valuable. In addition, this safe is specifically built to store tax documents.GUN CAPACITY2EXTERNAL DIMENSIONS (HxWxD)11.5 x 14.5 x 15INTERNAL VOLUME.75 cu. ft.WATER PROTECTION7 Days Up To HandleWEIGHT54 lb.FINISHDark Grey Hammertone Exterior FinishLOCK TYPEIlluminated Electronic Lock Face & Lever HandleBOLTS3 5mm steel locking platesSTEEL GAUGE16 ga.