All-steel table frame, durable compression, no deformation, select Baosteel SPCC, cold-rolled carbon steel for automobile manufacturing. Ergonomic design, stable load-bearing, table frame and table leg length ratio, strict test, and cooperation, to ensure the stability of the whole table structure. Our electric sit-stand desk is made of EO grade MFC board, which is the most cost-effective material. It has a strong structure, low formaldehyde emission, and environmental protection. Function: 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. Setting the Upper & Lower Height Limits 8. Sit/Stand Time Reminder 9. With USB Ports