BUILT-IN SHUTTER

* Doorwin built-in shutter by technology comprises an aluminum frame with integrated blinds sealed between insulated glass. They ensure maximum energy efficiency by giving you precise manual or electronic control over the heat and sunlight entering the room.

* Doorwin built-in shutter dramatically reduces HVAC costs and allows for easy adjustment of sunlight and heat entering the room. And it prevents UV rays from damaging interior decorations.

Buit-in blinds shutter manual operator

Can independently adjust the light intensity, protect eyesight, protect privacy.

Buit-in blinds shutter Remote controller-optional

Can be controlled remotely, easy to operate.