DoubleSight Dual Monitor Tier Extension: * Adds 2 monitors, up to 24" * Supports up to 20 lbs per monitor * Adjustable height, tilt, swivel and pivot * VESA Standard: 75mm x 75mm, 100mm x 100mm * Tilt: 45 degrees, each monitor independently * Swivel: 45 degrees, each monitor independently * Pivot: 90 degrees, each monitor independently