Product Description

(1)Shutter has many opening ways and many functions (2)When all the leaves are closed, noise could be reduced more than *0dB, and energy could be greatly saved when air conditioner is being used. (3)When the leaves are adjusted to ****0 degrees, what is inside of the room is not visible from outside of the room, and meanwhile, the air inside out could be commuted so the ventilation of the room is very good. (4)When the leaves are adjusted to *5 degrees, rain could not fly into to room usually, and meanwhile the ventilation of the room can be guaranteed. (5)When the leaves are adjusted to *0 degrees, a larger vision and a non block and non suppression sense is achieved. And when the shutter window is open, the vision is vaster. (6)When the leaves are adjusted to **5 degrees, they achieve a kind of ray reflection effection which may enhance the light taking inside the room.