Wall-mounted safe protects laptop computers up to 17 inches. Cabinet holds laptop securely in place. Grommets on both sides permit access by power cords for charging. Keyless access via electronic keypad with changeable administrative and user passwords. Laptop held securely by adjustable straps to cushioned platform that folds out to create a work surface. Includes backup external power source if keypad batteries fail and key access. Outer Width: 20 5/8 in; Outer Depth: 5 1/4 in; Outer Height: 19 1/2 in; Capacity (text): 2 ft3.