ARCTIC-Z4 Pro-Quad Desk Mount Monitor Arm-VESA 75 x 75/100x 100-For 13-Inch -27-Inch Monitors-With powered 4 Port USB Hub-Versatile Installation-Free Space on Your Desk-The monitor arm can be mounted on most surfaces with the adjustable fastening device which fits the edge of your desk in various thicknesses. With the detachable head, you can put the display on without any screws then add screws without need to hold the monitor.-Powered USB 3.0 Hub-This hub does not just add convenience, but allows running 4 power-hungry devices (total 2.9A).-Complete Flexibility-With the 3-way articulating arm, you can adjust your monitor according to your preference in an easy and convenient way. A flexible monitor setup is ideal to show something to your colleagues or fold away the monitor.-Prolonged Comfort-Prolonged working hours may put you at health risks. The Z4 Pro brings your monitor into the ideal position, independent of your desk height and allows an optimal posture.-Multiple Application Possibilities-The annoying switching from one window to another is a thing of the past now. Whether real-time tracking of data and information or the observation of television cameras (CCTV).The four monitors not only making your daily work easier but also more efficient.