The whole steel table frame is durable and resistant to compression and deformation. The cold-rolled steel is strictly selected. It is durable and ergonomically designed / stable load-bearing / the length ratio of the table frame to the table leg has been strictly measured. The whole table structure is stable, and no shaking and rollover phenomenon is allowed. 1. Soft Start/Stop Feature  2. Anti Collision Feature  3. Metric and Inch Switch  4. Four Position Height Memory  5., Overheat/Overload Protection  6. Leg Unbalance Protection 7. With USB Charging Port 8. Setting the Upper & Lower Height Limits 9. Sit/Stand Time Reminder