Electric Height Adjustable Lift System:The motor lift mechanism offers smoother height adjustments, from 28 to 47.6(without 1 thickness of table top included), at a speed of 1/second with low noise (under 50 d while running;
https://www.fezibo.com/collections/standing-desk
https://www.fezibo.com/collect....ions/electric-standi
https://www.fezibo.com/collect....ions/wooden-standing
https://www.fezibo.com/collect....ions/white-standing-