Monitor cable management in back of shelf for easy access of wiring between upper and lower portions and a 2” grommet at the bottom for compartment for cable exit. 4 heavy-duty 5” casters, 2 locking. Cabinet supports 150 lbs. Full rear locking door for easy access. Upper locking compartment with acrylic window with cam lock for security. Upper locking compartment interior is 25-3/4” x 22-3/4” x 23-3/4”. Lower locking compartment with 1 adjustable pull out printer shelf that adjusts on 2” centers is 21” x 23” x 24-1/2”. Flat panel kit included