Smart Door Knob,Blacksmith Biometric Smart Door Lock with App Control & Fingerprint & Password & Keys,Keyless Door Lock Doorknob Smart Lock for Home, Apartment, Office,Gray
Smart Door Knob,Blacksmith Biometric Smart Door Lock with App Control & Fingerprint & Password & Keys,Keyless Door Lock Doorknob Smart Lock for Home, Apartment, Office,Gray
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Smart Door Knob,Blacksmith Biometric Smart Door Lock with App Control & Fingerprint & Password & Keys,Keyless Door Lock Doorknob Smart Lock for Home, Apartment, Office,Gray

4.2 stars out of 46 reviews
(4.2)|
46 ratings
Smart Door Knob,Blacksmith Biometric Smart Door Lock with App Control & Fingerprint & Password & Keys,Keyless Door Lock Doorknob Smart 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 Color:Gray
Black, $38.99, was $69.99
$69.99
selected, Gray, $43.99, was $69.99
$69.99

Key item features

  • 【4-in-1 Unlocking System】：Blacksmith Smart Door Knob features 4 different unlocking methods, including fingerprint recognition,App control,password and traditional key access. These options are designed to cater to your various requirements.Blacksmith Smart Door Knob features 4 different unlocking methods, including fingerprint recognition,App control and traditional key access. These options are designed to cater to your various requirements.
  • 【Biometric Smart Lock】：The biometric fingerprint smart lock with a keypad swiftly recognizes your fingerprint in just 0.1 seconds, supporting storage for up to 100 fingerprints.
  • 【Comprehensive App Features】：The smart door lock provides a complimentary application that enables you to effortlessly add fingerprints and passwords, review unlock records, configure auto lock, passage mode and privacy mode for enhanced convenience and security.
  • 【Auto Locking】：Set the duration for the door to automatically lock after entry (5 seconds) according to your needs. This feature of our keyless entry door lock frees your hands and suits a fast-paced lifestyle, eliminating worries about whether the door is locked properly.
  • 【Effortless Installation and Reliable Support】：The smart door knob can be effortlessly installed using a screwdriver within minutes and is compatible with most standard US doors.
Current price is Now $43.99
You save $26.00
was $69.99
Price when purchased online
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4.329816628987691 stars out of 5, based on 3983 seller reviews(4.3)
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About this item

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4.2 out of 5 stars
stars46 ratings17 reviews
How item rating is calculated
  1. 5 stars59% (27)
  2. 4 stars20% (9)
  3. 3 stars7% (3)
  4. 2 stars2% (1)
  5. 1 star13% (6)

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Showing 1-3 of 17 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?2HBRN7UNRC7C17739612630
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.

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Helpful?2HBRN7UNRC7C17739612630
Dec 9, 2025
Kay
Top Reviewer
Item details
Color: Black
Sold byGlobinaDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Got this for my child's classroom. And it's been such a lifesaver it's lovely not having to lug around another key.

Incentivized Review
Helpful?2HBRN7UNRC7C17739612630