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