The AMR4C is a clamp-style monitor stand with an adjustable height that supports up to 4 LCD monitors. The clamp construction of this mount allows for more workspace and many advantages for those wanting to create a more ergonomic and functional environment. SEEMORE and DO MORE with features like:- 90 Degree Monitor Rotation- Height Adjustment- Cable ManagementArm Angle Adjustment IntelliTorque Hinge System Aluminum Alloy Structure- Easy Installation.Our LCD/LED monitor stand is an advanced display system providing increased efficiency and productivity. This is through the use of our IntelliTorque Hinge System which allows for display rotation swivel and tilt functions. In addition to these features the device is also compatible with VESA 100100/75X75 and is suitable for monitor sizes 15 to 24.