FLEXIMOUNTS LCD Arm Free Standing Desk Mount Monitor Stand Fits 10-30" Asus/Acer/AOC LCD Monitors (DF1) Fits monitors with VESA 75x75 and 100x100 mounting patterns up to 22 lbs. VESA patterns correspond to approximately 3" x 3" or 4" x 4" square pattern. Compatible with most computer monitors up to 27" screen size. Monitor mounting plate rotates 360 degrees allowing for easy portrait or landscape orientation Tilts up 85 degrees or down 15 degrees to reduce glare and to adjust viewing angle, depending on the lighting conditions and user seating height Durable steel construction with aluminium VESA plate. Large sized folding V-shaped base assures stable installation, while its slim design does not take up valuable desktop space. Monitor mounting plate is height adjustable on the pole to about 16-Inch