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Feature:1.Manual release switch when power is cut off.2.Meet the resistance to return function.3.Motor gear self-locking.4.External control or remote control.5.Optional magnetic switch or spring switch.6.Soft start to ensure a smooth start and smooth operation of the motor.Specification:Suitable gat..

Feature1.Manual release switch when power is cut off.2.Meet the resistance to return function.3.Motor gear self-locking.4.External control or remote control.5.Optional magnetic switch or spring switch.6.Soft start to ensure a smooth start and smooth operation of the motor7.Mobile phone network contr..