Mobile presentation cart has four gray laminate work surfaces with a black steel frame. The adjustable second shelf can be set from 311/2" up to 391/2" high. Locking wood laminate cabinet model inner dimensions are 18 3/4" H x 13 3/4" W x 13 3/4" D. Includes 3-outlet UL approved electrical assembly with 15ft cord. A set of silent roll, 3" furniture casters, two with locking brakes. Optional side shelf accessory is available. Easy to assemble. Lifetime warranty.