| 摘要 |
A locking device includes a housing, a base, an electromagnetic sensor, a locking hook, a locking mechanism having a locking bolt and a linking member, and a key having a first end formed with a mechanical unlocking portion and a second end formed with an electromagnetic unlocking portion. Thus, the locking device can be opened by the mechanical unlocking portion of the key and the electromagnetic unlocking portion of the key, thereby enhancing the versatility of the locking device.
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