Electric Height Adjustable: The desk has 2 preset buttons to customize your desired heights from 28.3" to 46.2", 2 button supports height memory and one reset button. Big Desktop Workspace: The desktop measuring 55" x 23.6" to provide enough space for your daily use. 3 Kinds of Accessories: 1 normal hooks, 2 bundle clamp and 1 cup holder. Easy to Assemble: We provide installation instructions and the necessary tools for installation. CONVENIENT INSTALLATION AND TECHNICAL SUPPORT: Assembly steps of the table have been optimized. Package of the table contains assembly tools and detailed instructions. Please do not hesitate to contact us with any questions or warranty concerns during assembly and use