door operator main controller

1. The latest soft start & stop technique, reduce the impact to the motor while in operation, last longer the motor's life. 2.With the remote limit, always keep the limit when the power fail. 3.Advanced dynamic code controller technology, prevent-copied, control in long distance. 4.While meeting obstruction, the door stops moving upward or rebounds while it is closing down. 5.With more light AC indicator on when the motor is working. 6..Auto close down setting timer function is optional to close down door after open up. 6. Connecting siren & infrared detector are optional. Currency: USD Unit Price: Quantity: Delivery: