the door bring the bright by li jia xiao from france

Each time, when we open the door
and enter into the room,
inside of the room is always black,
always need to look for the switch

This kind of the door let our life
more convenience .

It combines the traditional door
and light,
when we turn the handle,
the light will be on at the same time .
When the door is shut,
the light will be shut too,
and will economize the electricity.

If use this door at the public
interior corridor,
when the door is opened,
at the same time the light is getting on,
points out the person
who is in another side be careful.