This Arm adds flexibility to your LCD. Simply push the side button while lifting the display then position it where you want it. Get ergonomic comfort for a great price.&lt;br /&gt;&lt;br /&gt;Its ideal for use where multiple people use the same display.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Benefits&lt;/b&gt;&lt;br /&gt;&lt;br /&gt;- Easily position your LCD for maximum comfort and productivity&lt;br /&gt;- 8&quot; (20 cm) height range enhances ergonomics for multiple users&lt;br /&gt;- Easy installation; product ships fully assembled&lt;br /&gt;- Provides premium long-life LCD adjustment while maintaining touch-screen stability&lt;br /&gt;- Allows LCD to be rotated for portrait/landscape viewing&lt;br /&gt;- Arm can extend display out up to 19.3&quot; (49 cm) to the point of need