
Five-Method Fingerprint Door Knob
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This is a smart door knob that replaces a standard knob and offers five ways in: fingerprint, phone app, IC card, password and a mechanical backup key. It adds silent mode, passage mode and an anti-peep keypad that lets you type random digits around your real code. It suits renters and homeowners who want keyless entry on an interior or entry door without a full deadbolt system. Against mainstream smart locks it is cheaper in build and lighter on integrations, and it is a knob rather than a deadbolt, so it offers less physical security.
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This is a smart spherical door knob lock with five ways to unlock: fingerprint, app, IC card, password and a mechanical backup key. It is meant for a compatible door.
Silent mode reduces the lock's audible prompts. Passage mode keeps the door unlocked, for example while people move between rooms. It is not a locked security setting. An administrator-only locking mode starts when you hold the lock button for three seconds. After that, only the administrator can unlock the door.
The keypad is backlit and has an anti-peep function. You can enter random digits before and after the real password to help hide the code. When the batteries run low, the keypad backlight turns red and a voice reminder tells you to replace them. A Type-C port accepts external emergency power. It does not recharge the batteries.



