Sifely O Fingerprint Smart Deadbolt with Keypad

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Product guide

Sifely O Fingerprint Smart Deadbolt with Keypad

Keypad: Sifely O is a smart deadbolt that offers fingerprint, passcode, app, key-fob and mechanical-key entry. It can suit households or rental hosts who want several local access methods, but remote management and voice control require a separately sold Wi-Fi Gateway.

At a glance

Five listed unlocking methods include fingerprint, passcode, app, key fob and mechanical key.
The listing claims support for over 100 fingerprints and over 100 access codes.
App features include sharing electronic keys, access logs and scheduled permissions.
Auto-lock, one-touch locking, privacy mode, passage mode and anti-peep passcodes are listed.
Remote management and Alexa or Google Assistant control require the optional Sifely Wi-Fi Gateway.

Price

$59.49Save 26%

Reference price: ~~$79.99~~

Price checked: Nov 14, 2026

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Often bought together

Electronic Fingerprint Smart Lock with Handle, Digital Passcode/Code Keypad, Keyless Entry, Bluetooth App, Remote Unlock, RFI

$66.29

Electronic Fingerprint Smart Lock with Handle, Built-in WiFi, Digital Passcode/Code Keypad, Keyless Entry, Remote App Control

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Pros and cons

Pros

Multiple entry methods offer alternatives to a phone or fingerprint, including mechanical-key backup.
Temporary and scheduled access codes and electronic key sharing can help manage guest or tenant entry.
Passage mode supports frequent entry, while auto-lock is available for routine locking.
The listing describes screwdriver-based installation on compatible standard doors and support for left- or right-handed configurations.

Cons

Remote app management and voice-assistant use depend on buying the optional Wi-Fi Gateway separately.

Technical specifications

8 specifications

Identity
Brand	Sifely
Model	Sifely O

Connectivity and controls
Wireless connection listed	Bluetooth, Wi-Fi
Control methods listed	App, Remote, Touch, Voice

Dimensions and installation
Form factor	Oval
Dimensions listed	6.3 x 2.6 x 1.9 inches
Weight listed	2 pounds

Materials and protection
Material listed	Zinc

What to know before buying

Remote management and Alexa or Google Assistant control require the separately sold Sifely Wi-Fi Gateway. Installation is described for compatible standard doors, so confirm door compatibility before purchase.

What’s in the box

Included

Front plate
Back plate
Mounting plate
Screw package
User manual

Who is it for?

A good fit for

Households wanting fingerprint, keypad, key-fob and mechanical-key entry options.
Rental hosts or property managers who use scheduled or temporary access codes and can add the optional gateway for remote management.
Buyers seeking an auto-lock option and a passage mode for periods of frequent entry.

Less suited to

Buyers who need remote access or voice control without a separate gateway.
Anyone who expects fingerprint recognition or connectivity to work consistently in every setup, as customer feedback is mixed on both.

Sifely O Fingerprint Smart Deadbolt with Keypad · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 850 ratings

5 stars68%68%
4 stars14%14%
3 stars6%6%
2 stars4%4%
1 star8%8%

Customer feedback highlights ease of installation, appearance, convenience and the range of entry options. Reports on fingerprint recognition and connectivity are mixed, with some describing reliable fingerprint access and others finding it finicky. This matters if fingerprint entry is your main method or if you expect remote management, which the listing says requires the optional Wi-Fi Gateway.

Positive themes

Customers report that installation is easy and instructions are clear.
Customers appreciate the appearance, daily convenience and multiple entry options.

Mixed feedback

Fingerprint recognition receives mixed reports, including some finicky experiences.
Connectivity feedback is mixed. Some customers report remote management across properties, while others note Wi-Fi is needed for full functionality.

Frequently asked questions

Can this lock be managed remotely?

The listing says remote management requires the separately sold Sifely Wi-Fi Gateway. Without it, app features should not be assumed to work remotely.

Does it offer entry without a fingerprint or phone?

Yes. The listing names keypad codes, key fobs and a backup mechanical key in addition to fingerprint and app entry.

Is the Wi-Fi Gateway included?

The listing describes the gateway as optional and sold separately, not as part of the listed lock package.

What door configurations are supported?

The listing describes installation on compatible standard doors and support for left- and right-handed configurations. Confirm fit for your door.