The External CPU Holder, Non-Powered Laptop Cart comes with a Keyless Lock Drawer ( 16 inch height adjustment along with single drawer, external CPU holder , Pin code access, Keyboard Light uses 2 lithium ion batteries, adjustable Keyboard tray. The Rubber Maid Computer cart comes with a light weight compact design superior aesthetics and a complete set of nursing features, which makes them perfect for point of care application, One advantage of the Non Powered Computer Cart is that they are lighter, cost less and are suitable for facilities using self powered electronics such as tablets and notebooks.