Door Knob,Blacksmith 4 in 1 Smart Door Knob With Fingerprint,App,Password and Key Quick Unlock,Biometric Smart Door Lock for Home, Apartment, Office,Gray
Door Knob,Blacksmith 4 in 1 Smart Door Knob With Fingerprint,App,Password and Key Quick Unlock,Biometric Smart Door Lock for Home, Apartment, Office,Gray
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Door Knob,Blacksmith 4 in 1 Smart Door Knob With Fingerprint,App,Password and Key Quick Unlock,Biometric Smart Door Lock for Home, Apartment, Office,Gray

141 ratings
Door Knob,Blacksmith 4 in 1 Smart Door Knob With Fingerprint,App,Password and Key Quick Unlock,Biometric Smart Door Lock for Home, Apartment, Office,GraySmart Door Knob Blacksmith Biometric Smart Door Lock App Control Fingerprint Password Keys Keyless Door Lock Doorknob Smart Lock Home Apartment OfficSmart Door Knob Blacksmith Keyless Smart Door Lock Smart Deadbolt with App Control Fingerprint Passcode for Home Office
Actual ColorGray

Key item features

  • Unlock your door using four convenient methods: fingerprint, password, app control, or a traditional key.
  • Experience rapid access with biometric fingerprint recognition, identifying your print in just 0.1 seconds.
  • Store up to 100 unique fingerprints, accommodating multiple users with ease.
  • Manage your smart door knob effortlessly through a complimentary application on your smartphone.
  • The app allows you to add and manage fingerprints and passwords, review unlock records, and configure auto-lock, passage, and privacy modes.
  • Benefit from the auto-locking feature, which can be set to secure your door automatically after a customizable duration, such as 5 seconds.
  • Enjoy straightforward installation, requiring only a screwdriver and taking just minutes to set up.
  • This smart door knob is designed for compatibility with most standard US doors.
  • Its versatile design makes it ideal for various locations including homes, apartments, offices, bedrooms, living rooms, and wardrobe spaces.
  • Constructed from durable metal for long-lasting performance.
  • Features a sleek gray finish to complement your decor.
  • The assembled product measures 9.84 inches in length, 3.54 inches in width, and 6.69 inches in height.
  • Weighs 2 pounds, ensuring a solid and secure feel.
  • Equipped with a backset size of 2.65 inches for proper fitment.
  • Designed for user-friendly operation, making access simple and secure.

About this item

Product details

Specifications

Warranty

Customer ratings & reviews

4 out of 5 stars
stars
141 ratings38 reviews
How item rating is calculated
  1. 5 stars58% (82)
  2. 4 stars17% (24)
  3. 3 stars6% (8)
  4. 2 stars4% (6)
  5. 1 star15% (21)

Reviews summary

Neutral

  • : Can be quick, but may require technical expertise.

Cons

  • : Lack clear guidance, causing installation difficulties.
  • : Battery compartment design may not fit all battery sizes securely.
  • : The device cannot be managed through the smartphone.
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Showing 1-3 of 38 reviews

Jan 15, 2026
Reviewer name: Kammie
Item details
Color: Black
Sold byGlobinaDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Amazing! Will buy again!

This works so well, the install was quick and easy and it works wonderfully, I've now had it for almost 2 or 3 months in order to give it a full and honest review and I can honestly say I love it and will be buying another one just because this is amazing, it came with 2 keys and the batteries haven't gone out at all, they last super long surprisingly

Incentivized Review
Helpful?2HBRN7UNRC7C17739612630
Feb 17, 2026
Reviewer name: CCinAZ
Top Reviewer
Item details
Color: Black
Sold byGlobinaDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

THE best doorknob lock - Works like it should!

I've installed 6 different digital door locks recently %26 have returned 3 because they did not work well. This one though works Every Time! Installation was slightly more trickier but Well worth the effort. Love this door knob lock!

Helpful?2HBRN7UNRC7C17739612630
Jan 24, 2026
Reviewer name: Christopher
Item details
Color: Black
Sold byGlobinaDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Inexpensive yet effective

A great addition to any smart home installation. Good value for the money and very easy to install the doorknob and set up everything in the app on your smartphone.

Incentivized Review
Helpful?2HBRN7UNRC7C17739612630
Current price is Now $45.99
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was $59.99
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