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Hide password by pressing password after entering random numbers.

When heat detection sensor detects heat (60℃±10℃), it automatically opens a door.

When a door is not properly closed, it makes 3 attempts to open the door and generate beeping sounds “beep beep beep” to alert.

After pressing [Open/Close] button from inside,
if the door is not opened for 8 seconds, the door will re-lock automatically.

In case of temporary error, program can restart by pressing reset button.

Auto locking and Manual locking can be available.

Sound can adjust from mute to
7-step high volume

Regardless of the current sound setting,
this function makes the door lock silent for 1 time when the user wants to use it quietly.

When batteries are completely flat, contact 9V alkaline battery to emergency socket on outdoor body and apply password, fingerprint or card for opening the door.

1-minute stoppage after
5 straight inputs of wrong password.