• $74.97
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    4 in 1 Fingerprint Door Lock, Smart Door Knob with Lock, Biometric Door Lock with App Control & Key, Auto Door Lock with Code, Keyless Entry Door Lock for Bedroom, Front Door, Hotel, Apartment

    • 4-in-1 Smart Access: The door lock offers versatile unlocking via fingerprint, passcode entry, the Lockin Home App (remote access requires a gateway), or a backup physical key. These multiple options ensure flexibility and eliminate the stress of misplaced keys, making entry effortless and secure
    • Effortless APP Management: This keyless fingerprint door lock leverages biometric technology for swift fingerprint recognition in just 0.2 seconds and supports up to 20 personalized fingerprints and passcodes. Seamlessly manage users, share access, and track unlocking history through the app, the smart lock offering unparalleled convenience and control
    • Auto-Lock & Privacy Protection: Our door knob with lock automatically engage within 5 seconds after closing or fingerprint use. Activate privacy mode with a simple thumb turn for enhanced protection, making it ideal for families and personal spaces
    • Reliable Power with Emergency Options: Equipped with a 400mAh rechargeable battery, Lockin door knob features a Type-C port for easy recharging(fully charges in 3-5 hours). Emergency USB power and low-battery alerts ensure your front door lock stays operational 24/7
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    Any questions? Our AI beta will help you find out quickly.

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    • When recording fingerprints, please place your clean and dry finger at different angles and positions to ensure that a larger area is scanned. The old and children may not use their fingerprints effectively, so keep fingers clean before unlocking.

    • The smart knob is controlled by the Lockin Home app. Make sure Bluetooth and Location are enabled. After authorization, touch the fingerprint sensor to wake the lock. Only one user can connect at a time.

    • The smart door knob built-in rechargeable battery. You can use an emergency power supply to charge the smart door knob through a USB A+Type C port or use the backup key to open the door.

    • Charge the lock for 3-4 hours before installing. When the low battery warning occurs (fingerprint unlocked first green light then flashing red light), indicating the need for charging.

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    • When recording fingerprints, please place your clean and dry finger at different angles and positions to ensure that a larger area is scanned. The old and children may not use their fingerprints effectively, so keep fingers clean before unlocking.

    • The smart knob is controlled by the Lockin Home app. Make sure Bluetooth and Location are enabled. After authorization, touch the fingerprint sensor to wake the lock. Only one user can connect at a time.

    • The smart door knob built-in rechargeable battery. You can use an emergency power supply to charge the smart door knob through a USB A+Type C port or use the backup key to open the door.

    • Charge the lock for 3-4 hours before installing. When the low battery warning occurs (fingerprint unlocked first green light then flashing red light), indicating the need for charging.

    4 in 1 Fingerprint Door Lock, Smart Door Knob with Lock, Biometric Door Lock with App Control & Key, Auto Door Lock with Code, Keyless Entry Door Lock for Bedroom, Front Door, Hotel, Apartment

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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