It is both a door and a window easy to adjust behind enjoying in this elegant Chines-style door. Sleek and Hi-Fi modernist serial structures simplify itself to simplicity at every turn of the break. This revolutionary door combines functions such as safe entry points, letting in light, and saving space. Its technological advantages are many--precise engineering make the door as easy to operate ruungly as it does brand new, thermal break technology keeps your heating bills down even in bitter winter months or blazing hot summer periods and lastly, with its most modern of construction materials this Durable Door is as strong and weather-proofed against the harshest conditions imaginable just as any steel fortress built to last centuries. Applications cover residential buildings in family homes around the world, commercial refurbishments of small areas turning them once again into something new and larger, as well as partitioning and the like for big wide open spaces. The sliding window allows people working together in different areas to visually communicate so that they can cooperate more efficiently; with no compromise on privacy and security where necessary.