EXTRA-SPACIOUS WHOLE-PIECE DESKTOP: Expansive 55 x 28 eco-friendly whole-piece desktop offers more than ample workspace for 2 monitors, a laptop and more so you can confidently tackle any work situation that arises. Please allow a slight 0 to1-inch difference in desktop size due to manual measurement. 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 dB) while running.