tubular motor ,motorized door ,rolling door and garage door motor. It can be used to roling door and shutter door, garage door etc, the same time, it suit for kinds of door materials, such as auminum, steel, wood, pvc etc. Automatic system, open by remote, when stop power, can open the clutch by hand. it's very convenient and safty. NamesBaixin B-J500Code30022Rated VoltageAC 220V 50HzRated ...