SENTRY P008E Compact Electronic Safe Digital security lock box, programmable electronic lock with 2 user codes, 2 override keys Durable solid steel construction Interior dimension 1.9" H x 9.8" W x 7.1" D Steel tethering cable for increased security Programmable 2-user code electronic lock Compact safe Programmable 2-user code electronic lock Steel tethering cable for increased security Durable solid steel construction Two override keys included in case one is misplaced or the code is forgotten