Hurricane Roller Shutter Doors

We are offering hurricane roller shutter doors. We special develop and manufacture motors for doors and gates. 92mm with manually motor.has manual control function. 300n. M output torque. 1)voltage: 230v50hz 2) speed 12rmp 3) power 910 4)time 4min 5)max limit range 19 turn widely used for automatic door, roller gate, garage door, roller up gate, roller up door, etc. if you'd like large quantity