Mobile presentation cart has four gray laminate work surfaces with a black steel frame. The adjustable second shelf can be set from 33" up to 41" high. Locking wood laminate cabinet model inner dimensions are 18 3/4"H x 13 3/4"W x 13 3/4"D. Includes 7-outlet UL approved electrical assembly with 25ft cord. Set of heavy-duty 4" full swivel ball bearing casters, two with locking brakes. Optional side shelf accessory is available. Easy to assemble. Lifetime warranty.