ALEKO FG28 Top Opening Biometric Fingerprint Safe L wrench to remove key access. Top-opening biometric drawer safe. Includes protective floor mat, emergency back-up keys, hardware Fingerprint control can store up to 30 users. Batteries inside the box. Open the case to locate the batteries Pre-drilled holes allow safe to be mounted into the floor, a shelf, or counter top Two solid steel locking bolts; motorized deadbolt lock. Inner Size: 14.5 by 11 by 2.5 inches Outer Size: 14.75 by 11.25 by 5 inches. Inner Size: 14.5 by 11 by 2.5 inches