Powerful smooth advanced single motor lift system offers soft start and soft stop height adjustments, at a speed of 0.78'/second with low noise (under 40 dB). The starting height of 27.5" and can be fully extended to reach 45.2". Quick Reaction and Quiet-2-Stage Lifting Columns for More Height Range & Load Capacity. The strong legs support system holds weight up to 176 lbs, and it use telescopic adjustment transitioning from sitting to standing in seconds with simple touch. Built-in protection against over-current, over-voltage and over-heating, protect your safety of home/office. Overload and overheat Production, Ensures your frame safety by preventing loading of higher than rated loads and overheating of the machine. The large work surface measuring 46" x 24" is environmentally sourced and provides ample space for a variety of monitor or laptop setups, plus room for ongoing projects an doffice supplies. Get a better working experience.