Exterior Window Roller shutters are designed with individual style,beautiful appearance and elegant pattern. Surface treating is powder coating,could waterproofing,anti-sunlight,anti-rust,anti-lacerated. With rigid structure,theftproofing,noiseproofing,warm kepping. Advanced opening ways: manual, switch and remote-controlled with auto-lock function; All kinds of style and colors are adjustable to users requirement.Roller shutter Perfomance:1)Roller Shutter Slat option: 32, 37,42, 55mm; Extrusion: 37, 42, 55mm with foam, hurricane slat 55, 56mm2)Roller Shutter Rail option: 54, 65mm, 68 mm hurricane guide rail3)Roller Shutter Motor: 40 100 Nm (tubular motor)4)Roller Shutter Common colors: White, cream, grey(All kind of styles and colors are adjustable to users' requirements. )5) Roller Shutter Opening ways: Manual, electric and remote-controlled operation, After the window opened, the oppression like in cage and stain in vision will be off.6) Roller Shutter Surface Finish: Powder Coating7) Roller Shutter Mterial: 6063T5 aluminium2. Roller Shutter Quality Control:(1) Material Select: Using 97% purity aluminum ingot(2) Production Standard: Highest standard in China