ELECTRIC HEIGHT ADJUSTABLE LIFT SYSTEM: The motor lift mechanism offers smoother height adjustments, from 28" to 47.6", at a speed of 1"/second with low noise(under 50 dB) while running. COMPATIBILITY: Adjustable width table frame fits tops 39.3" to 63" in width and 19.6" to 31.5" in depth with a thickness of 3/4" or more. LED DISPLAY HEIGHT CONTROLLOR: Features 3 touch-sensitive memory buttons and cool LED height display for easy, consistent adjustment throughout the day. Add functionality and high-end style to your workspace. EASY ASSEMBLY AND USE: Setup takes fewer than 30 minutes from start to finish. Simply attach the legs to the top and the feet to the legs for a fully-assembled standing desk. PLEASE NOTE: This product is covered by a 5-year warranty for the frame, motor and other mechanisms, and a 2-year warranty for the controller and switch, electronics. Some steps may require a drill, which is not included.