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This is a black door knob that opens three ways: a backlit keypad PIN, app control, and a mechanical key. It adds passage mode for open access during busy stretches and auto-lock for everyday security, plus anti-peep entry that lets you type extra digits around your real code. It suits bedrooms, home offices, and apartments where a full deadbolt smart lock is overkill. Against keypad deadbolts it is simpler to fit on a standard knob door, but it is a knob, not a deadbolt, and the app's connection type and range are not confirmed, so treat phone control as a bonus rather than the main way in.
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This is a black smart door knob lock that can be opened with a PIN, a smartphone app, or a mechanical key. It is meant for interior doors such as bedroom, apartment, and office doors.
The backlit keypad accepts PIN entry without opening the app. The anti-peep function allows extra digits before or after the correct PIN to help obscure the code. It does not guarantee that a PIN cannot be observed.
Passage mode keeps the door unlocked when people need to come and go repeatedly. Turning it off restores restricted access. Auto-lock offers automatic locking; settings, timing, and trigger behavior are in the operating instructions.
