... curtain up to 100kg 2.rail:aluminium alloy,operates steadily remote control curtain 1.Build-in automation induct device, it can be ... in advance.2. The motor with clutch inside for easy control the curtain by electrical 3. Adopted the strong steel belt ... width of one motor is 8m 5. Wireless control, infrared control, manual switch and group control can be achieved. Suitable for home, hotel, office ...