Easy to move: the wheels at the bottom of the AV presentation cart's legs make it easy to transport, and it has 2 caster brakes for fixed use. Features: Long-range use: This business-grade AV cart is equipped with a built-in power strip with 3 outlets and 2 USB ports, a 16.4-ft power cord to charge devices over long distances. Easy to move: the wheels at the bottom of the AV presentation cart's legs make it easy to transport, and it has 2 caster brakes for fixed use. Adjustable height: This heavy-duty media cart allows you to adjust the height of the shelves on the cart using pre-drilled holes in the steel legs to build one, two or three tiers at will, ranging from 24 to 41.5 inches. Excellent carrying capacity: this rolling projector cart is equipped with 2mm steel legs that can support up to 300 pounds. Multipurpose: Easy to install, it is ideal for warehouses, factories, conference rooms, classrooms, hospitals, libraries and nursing homes. Package Includes: 1 x Office AV Cart Listing and template services provided by inkFrog