1. Space-saving, money-saving solution eliminates the need for extra monitors. 2. Smart, simple fanshion and unique design 3. Built-in 4-port USB 2.0 hub provides one-time connection for computer accessories. 4. 8 Level adjustable screen height, tilt and swivel for optimal viewing and ergonomic comfort. Stay healthy and avoid injury while working long hours on your notebooks 5. Allows positioning of LCD at eye level to help reduce neck strain. 6. built-in 2 cooling fans dissipate heat away from the bottom of your notebook and cool down the overall temperature of your system