Ships fully assembled. Features two fold-out storage cubbies that also double as a locking security enclosure. Each storage cubby measures 12W x 11D x 16 1/4H and has an adjustable shelf. Powerful magnetic stops hold the cubbies in place, and makes it a breeze to close. When opened, your monitor and a 24 1/2W x 11 1/8D work surface is revealed with ample space for a keyboard up to 2 1/2 max height and writing surface. The monitor interior dimensions are 24 3/8W x 10 1/4D x 19 1/2H and can fit monitors up to 24. Also featured are both left and right retractable 10W x 7 3/4D mouse trays providing even more work space. The middle locking cabinet can be used for storage or for your desktop PC. The middle cabinet interior measures 24 3/8W x 9H x 21D, large enough for almost any desktop computer. It comes with front and rear locking doors for ultimate convenience. Middle cabinet door openings measure 22W x 8 1/2H. The bottom cabinet also incorporates a front a rear locking door as well as a height-adjustable shelf for peripherals or other items. Moves on 4 industrial swivel casters 2 with brakes. Optional accessories include up to 4 cooling fans 1 for the top, 1 for the middle cabinet, and 2 for the bottom cabinet, a dual-sided power outlet, a CPU side cabinet, side pocket or a set of two folding shelves. All locks are keyed alike for convenience.