1.electric Roller Shutter Motor 2.Max.Door Weight:800kg 3.small noise and ... adjustment is easy 300~1000kgs Great horsepower Rolling shutter motorroller door motor,rolling door motor,roller shutter motor,rolling shutter motor ,door motor,door opener,electrical ... and great horsepower, thermal protection device is built in. 7.Remote control and manual control is upon your choice, very convenient.,