Blacksmith 4 in 1 Smart Door Knob with Fingerprint, App, Password and Key Unlock, Black
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,Black
Hero image 0 of 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,Black, 0 of 8
ClearanceBest seller
Visit the Blacksmith Store

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,Black

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,BlackSmart Door Knob Blacksmith Keyless Smart Door Lock Smart Deadbolt with App Control Fingerprint Passcode for Home OfficeSmart Door Knob Blacksmith Biometric Smart Door Lock App Control Fingerprint Password Keys Keyless Door Lock Doorknob Smart Lock Home Apartment Offic
Actual Color:Black

Key item features

  • Versatile Unlocking: Offers four convenient entry methods: fingerprint, password, app control, and traditional key for flexible access.
  • Rapid Biometrics: Features a 0.1-second biometric fingerprint recognition system, capable of storing up to 100 unique fingerprints for multiple users.
  • Smart Management: Utilizes a complimentary smartphone application to manage fingerprints, passwords, review unlock records, and configure auto-lock, passage, and privacy modes.
  • Automated Security: Includes an auto-locking feature that can be set to secure the door automatically after a customizable duration, such as 5 seconds.
  • Effortless Installation: Designed for straightforward setup, requiring only a screwdriver and minutes to install, compatible with most standard US doors.
  • Durable Construction: Constructed from durable metal with a sleek black finish, measuring 9.84 inches in length, 3.54 inches in width, and 6.69 inches in height, weighing 2 pounds.
Generated by AI
Current price is Now $45.99
You save $24.00
was $69.99
Price when purchased online
  • Free shipping
  • Free 90-day returns
Walmart Protection Plan by Allstate

(Only one option can be selected at a time)

Handyman Service

How do you want your item?

Try 30 days for just $1! Choose a plan at checkout.
How do you want your item?
Ships to
Arrives by Tue, Jun 2
.
Order within 6 hr 31 min
Sold by Globina
Fulfilled by Walmart
4.335636950011518 stars out of 5, based on 4343 seller reviews(4.3)
Report an issue with this seller
Free 90-day returns
walmart plus

Try 30 days of Walmart+ for just $1!

T&C apply.

About this item

Product details

Specifications

Warranty

Customer ratings & reviews

4.2 out of 5 stars
stars89 ratings25 reviews
How item rating is calculated
  1. 5 stars58% (52)
  2. 4 stars21% (19)
  3. 3 stars6% (5)
  4. 2 stars2% (2)
  5. 1 star12% (11)

Customer photos

Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 25 reviews

Jan 15, 2026
Kammie
Item details
Color: Black
Sold byGlobinaDelivered byWalmart
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?2HBRN7UNRC7C15952373787
Feb 17, 2026
CCinAZ
Top Reviewer
Item details
Color: Black
Sold byGlobinaDelivered byWalmart
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?2HBRN7UNRC7C15952373787
Jan 24, 2026
Christopher
Item details
Color: Black
Sold byGlobinaDelivered byWalmart
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?2HBRN7UNRC7C15952373787