Best Choice Products Home Steel Biometric Digital Security Safe Box w/Combination, Key, Fingerprint Options - Black The solid steel construction of the safe has a three different methods of locking (keys, combination, and fingerprint) With an 8" wide safe lock, the keys are the most common method to enter the safe In case the keys are lost or misplaced, a combination code can become the primary method of entry into the safe If or when the combination code is forgotten, then your own fingerprint is the third way to enter the safe Product dimensions: 12"(L) x 4.25"(W) x 8.75"(H)