5107S Digital Security Safe features 2.87 cubic feet of interior storage. Safe is protected with two solid steel, motorized locking bolts operated by a programmable, hotel-style digital lock for you to change or keep the passcode each time the safe is locked. Two keys are included for backup. It is equipped with a convenient, LED display panel and depository slot for the swift depositing of checks, cash and other small documents without having to unlock or open the safe. Interior space features a carpeted floor mat and a flat-bottom door entryway to protect valuables from being scratched. Removable shelf maximizes storage for optimal organization. Safe is capable of fitting most 17" laptop computers. Concealed hinges, recessed door and rear panel help prevent and discourage thieves. It also includes a scratch-resistant, powder-coat finish and predrilled mounting holes. Use four AA batteries (included) to operate this digital, steel security safe.