DUAL MOTOR, PROGRAMMABLE, FAST, QUIET, ADJUSTABLE ELECTRIC LIFT: Easy to read digital handset with 4 customizable memory presets for quick 1.5" per second height adjustment ranges in height from 50" to 24.5" and fits people 5'4" to 7. STABLE STEEL BASE: Sturdy steel desk legs (not aluminum) provide industry-leading 350 pound lifting capacity which provides side-to-side and front-to-back stability and won't wobble at any height.