double sided fingerprint lock
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Fingerprint Door Lock For Glass Door
Fingerprint, Password and RF Card, while mechanical key is a backup for emergency access. The voice indicator helps you to study the program quickly and get used to the operations.
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The greatest feature for the M901S is no drilling holes on the glass door. Sticking the baseboard on the glass, and then install the lock on it.
Another point is this is a auto lock/unlock door lock, which you don't need to press down the handle to unlock. Just touch the lock to input the fingerprint or password for access.