User for building: apartment house . temporary house and economy house building and office . the door with ventilator window, usually it is installed for the first gate in the house, or the school door. The door can be with small door in the leaf ,it is just like the window . in the summer it is very hot, you can open the small door for the air fresh for people .
Opening direction: inside open ,outside open
Hinge: invisible hinge 90degree, visible hinge of 180degree
With door bell and door view
Color and surface treatment: powder coating on door face, as white color, coffee color or blue color, grey color .and can be the wood grain color as the picture. the size can be customized .