Manual and motorized options available. 1) Power: 230V-50Hz/60Hz or 110V-60Hz ;low noise 2) Alminum alloy skeleton can effectively resist to the external force. 3) The surface was powder coated,which can entitle the ability of anticorrosive and anti ageing 4) Easy installation and operation ;slant degree can be adjusted 5)Wide range of applications ; add elegance and beauty to the house and department. They can also be widely used on commerial place. 6) Carton packing with foam inside
For further more information,please feel free to let me know.