Easy Sit to Stand Swift in Seconds: The motorized standing desk converter features electric height adjustment via pushing the button; Smooth, fast, quiet lifting; Unlimited stopping points; largest height range: 20 inches; Weight capacity: 80 lbs xLift US Patent Design: No: US 10413055 B2; The innovation of 2 sets of scissor-shaped arms with a linear actuator delivers the most powerful, heavy-duty, and safest lifting; Ideal for duo monitors 2-Tier Ergonomic and Spacious Design: Spacious to accommodate up to three monitors; The lower tier is wide and long for a keyboard, mouse and laptop Sturdy and Durable: Steel base, frame and engineered wood surfaces; Ready to Mount Monitor Arms: 3 predrilled grommet holes provide convenience to mount monitors and cable management; No scratching with the felt pads on the base