Soft foam on the inside protects valuables. Computer blocks access after repeated invalid entries. Tamper indicator alerts you to invalid entry attempts. Motion detector with audio alarm. Dimensions: 10.1 x 7.9 x 14 - ROCK-SOLID CONSTRUCTION: - Outside is constructed of 16-gauge steel. - Soft foam on the inside protects valuables. - High-Strength lock mechanism performs reliably time after time.