... driving power etc, it’s a upgrade product from manual roller shutter. Reelpipe is high quality aluminum alloy material, high ... anti-aging,corrosion preventive. According to the height of roller shutter, reelpipe diameter can be choosed 50mm, 70mm, 80mm ... , multimedia central control system.Structure Diagram More Information Type: Roller Shutter, Curtains, Blinds Brand: Boosly Frame Material: Aluminum ...