| 摘要 |
PURPOSE: A digital door lock device is provided to implement various designs by improving the opening and closing structure of an authentication unit by rotating a cover. CONSTITUTION: An outdoor housing(10) is combined with the outdoor of a door. An authentication unit(20) is combined with the outdoor housing and authenticates a user. A locking unit locks and unlock the door. A cover(30) is rotatably combined between the opening and closing positions of the authentication unit.
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