Mobile Stand-Up Security Workstation protects sensitive computer equipment from dust accumulation, tampering or theft. Top cabinet has ample space for most computer monitors while bottom cabinet contains pull-out keyboard tray and one adjustable shelf to store CPU and computer supplies. Locking top pull-down door and hinged bottom doors secure all stored items. Useable monitor space: 24-1/2"Wx20-1/2"Dx17"H. 3/4" thick melamine construction with T-mold and edge-banded edges for an attractive appearance. Ships set up.