Overture II Adjustable Height Standing Desk, Electric Sit-Stand Computer Desk (30" x 60") Adjustable Height Desk has a height range of 27.5" - 46.25 (plus 1" top) Adjustable Desk Base Width is Expandable from 25.6"- 63" - Desk comes with a 30" x 60" top in Canadian Grey. Powerful Dual Bosch Motors with synchronized movement has a 220 lb. lift capacity, is quiet at on 55dB and takes you from sitting to standing in seconds. Base tested to withstand 20,000 cycles (20 years of office use). 10 Yr Warranty on Steel Frame - 5 Yr Warranty on Dual Bosch Motors