1 / 7Sifely S WiFi Fingerprint Smart Lock with Handle
The Sifely S WiFi is a fingerprint smart lock with a handle, keypad, app control and built-in Wi-Fi. It offers several access methods and temporary or scheduled codes, but customer feedback reports mixed Wi-Fi reliability and battery life.
At a glance
- Unlock using fingerprint, keypad code, app, RFID credential, mechanical key or supported voice assistant.
- Built-in Wi-Fi is claimed to enable remote locking, unlocking, status checks, alerts and access management without a separate gateway.
- The app is described as supporting temporary, one-time, recurring and scheduled access, plus entry history.
- Auto-lock, Passage Mode and Privacy Mode are listed options.
- The handle is described as reversible for compatible left- or right-handed doors.
Reference price: $89.99
Price checked: Nov 14, 2026
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Pros and cons
Pros
- Multiple listed entry methods give household members and guests alternatives to carrying a key.
- Temporary and recurring codes, app-based eKeys and access history are useful for guest or rental access management.
- The listing specifies compatible US door thickness, bore and backset measurements to help assess fit before purchase.
- A mechanical key and Type-C emergency power port are listed as backup entry options.
Cons
- Four AA batteries are required and are not included.
- Remote app access depends on the lock's Wi-Fi connectivity, which customer feedback describes as inconsistent.
Technical specifications
18 specifications| Brand | Sifely |
|---|---|
| Model | Sifely S WiFi |
| Lock type | Deadbolt |
| Wireless connection listed | Bluetooth, Wi-Fi |
|---|---|
| Control methods listed | App, Remote, Touch, Voice |
| Form factor | Oval |
|---|---|
| Dimensions listed | 7 x 3 x 1.12 inches |
| Weight listed | 2 pounds |
| Compatible door thickness listed | 1-3/8 to 2-1/4 inches |
| Bore size listed | 2-1/8-inch |
| Backset listed | 2-3/8- or 2-3/4-inch |
| Material listed | Aluminum, Zinc |
|---|---|
| Color | Silver |
| Finish | Satin |
| Fingerprint capacity claimed | up to 100 fingerprints |
|---|---|
| Passcode capacity claimed | 200 passcodes |
| Power source claimed | 4 AA batteries (not included) |
| Battery life claimed | up to 6 months of battery life depending on use |
What to know before buying
Listing details to confirm
The listing claims up to six months of battery life depending on use, while customer feedback is mixed, including reports of batteries lasting less than two weeks. Wi-Fi reliability is also mixed. Confirm door measurements and app or voice-assistant compatibility for your setup before buying.
What’s in the box
Included- Mounting plate
- Rubber gasket
- Face plate
- Back plate
- Bolt assembly
- 2 keys
- 2 key cards
Who is it for?
A good fit for
- Households wanting fingerprint, code, app, RFID and key access options in one lock.
- Hosts or property managers who need temporary or recurring entry codes and app-based access records.
- Buyers replacing a compatible handle-and-deadbolt arrangement who can confirm their door dimensions.
Less suited to
- Buyers who need dependable remote access without first confirming Wi-Fi performance in their setting.
- Anyone expecting batteries to be included or a guaranteed battery-life duration.

Customer reviews on Amazon
- 5 stars
73% 73% - 4 stars
9% 9% - 3 stars
9% 9% - 2 stars
4% 4% - 1 star
5% 5%
Customer feedback reports positive experiences with app usability, ease of connection, fingerprint recognition and general functionality, while battery life and Wi-Fi reliability are mixed. Some customers report good battery life, while others say batteries last less than two weeks, and connectivity problems are also mentioned. That variation matters for a lock whose advertised remote controls and status checks depend on connectivity. The overall rating distribution leans positive, but does not resolve these practical concerns.
Positive themes
- Customers report an intuitive app and positive experiences with fingerprint recognition and functionality.
Negative themes
- Customer feedback includes reports of Wi-Fi connectivity problems and unusually short battery life.
Mixed feedback
- Battery life receives both favorable and unfavorable feedback. Wi-Fi connectivity is also described inconsistently.
Frequently asked questions
Does the Sifely S WiFi need a separate gateway?
The listing says Wi-Fi is built in and remote access does not require a separate Wi-Fi gateway.
What entry methods are listed?
Fingerprint, keypad passcode, smartphone app, compatible RFID key fob or card, mechanical key and supported voice assistant.
What batteries does it use?
The listing specifies four AA batteries, which are not included. It also claims up to six months of use depending on usage and lists low-battery alerts and a Type-C emergency power port.
Will it fit my door?
The listing gives a compatible door thickness of 1-3/8 to 2-1/4 inches, a 2-1/8-inch bore and 2-3/8- or 2-3/4-inch backset. Check your door against these dimensions.

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