他被反锁在屋里，没人知道钥匙在哪儿。
具有反锁功能，反锁后只有超级指纹可以开锁。
It has the function of back locking. After a back locking, only the super fingerprint can open the lock.
应急开启：不受任何控制，即使方舌反锁，也能开门。
Open in Emergency: Under no control. The door can be opened even if the dead bolt is locked.
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