Features: This monitor stand is mounted on the wall, it is more stable than desk monitor stand and will not damage your expensive desk. Adjustable arm -8 to +5 tilt and 360 rotation. The arm can be extended up to 45cm(to the wall) which provides a more optimal viewing angle, helping to reduce the pain in your neck, shoulders and back. The reinforced base is made of high quality cold rolled steel plate with stronger bearing capacity. Easy to install and remove. Compatible with 100mm*100mm/200mm*100mm/200mm*200mm/300mm*300mm/400mm*200mm/400mm*400mm VESA size, suitable for 14-55 inch sizes TV/monitor. Specification: Name: Scalable rotating TV/monitor stand Supported screen size: 14-55 inch Maximum bearing weight: 30kg Rotation angle: 360 Wall extension: 15-45cm Applicable VESA size: 100mm*100mm/200mm*100mm/200mm*200mm/300mm*300mm/400mm*200mm/400mm*400mm Packing list: 1 * Base 1 * Main bracket 4 * Extension bracket 1 * Set of mounting kits