Compatible with Most VESA Sizes - HUANUO single monitor wall mount comes with a VESA extension kit that fits most 17 to 32 monitors/TVs weighing up to 18lbs. Compatible with VESA sizes 75mm x75mm and 100mm x 100mm.(Please verify your monitors size and weight are within our stardard before purchase) Advanced Pneumatic Spring System - The internal counterbalance gas spring adjusts to the weight of your monitor creating a suspended free-float effect, that allows to adjust monitor height more smoothly.(adjust it according to your monitor weight before use) Full Motion Adjustable Monitor Stand - Adjustable arm offers -35° to +35° tilt, 180° swivel, 360° rotation. The arm can be extended up to 18.3(to the wall) supporting you a more optimal viewing angle, helps to reduce the pain in your neck, shoulders, and back. More Stable than Desk Mount- This single monitor stand is mounted on the wall, it is more stable than desk monitor stand and will not damage your expensive desk. the m