The A140 Trolley dock duplicates most of your computer's ports and provides extra ports. With peripherals such as a keyboard, mouse, monitor, and printer all connected to the office dock, you have a handy work area on your desk or diagnostic environment. The adjustable latch also provides multiple viewing angles for the A140. The product consists of a base dock and an adapter. The two should be assembled before usage. Trolley dock with 90 W AC adapter Suitable for: A140