Three Sinha Aluminum Windows Shutter are designed with individual style, beautiful appearance, and elegant pattern. Surface treating is powder coating, could waterproofing, anti-sunlight, anti-rust, anti-lacerated. With a rigid structure, theft proofing, noise proofing, warm-keeping. Advanced opening ways: manual, switch and remote-controlled with auto-lock function. All kinds of styles and colors are adjustable to the user’s requirement. Window shutters insulate homes and office environments against weather conditions and even noise. When closed, shutters provide complete darkness. When equipped with rigid links, they resist manual lifting thus increasing your safety. It can be operated manually or automatically