
Sifely Smart Lock
Score: 78/100
Lockstar Smart Door Lock
Score: 82/100Rankings

The LockStar S110BBL-F is a keyless entry deadbolt featuring multiple access methods including fingerprint, keypad, app, FOBs, and traditional keys. It offers auto-lock capabilities via a door sensor and smart home integration, though remote app management requires an optional Wi-Fi gateway. Ideal for families, rental properties, and homes with frequent visitors who need customizable codes and remote access.

The Sifely Keyless Entry Fingerprint Smart Door Lock is a lever-style smart lock designed to retrofit standard residential doors without drilling. It offers five to six unlock methods including fingerprint, keypad, key cards, fobs, and physical keys, with optional remote access via a separate Wi-Fi gateway. It is best suited for indoor or sheltered exterior doors and multi-user households.
| Attribute | ![]() | ![]() |
|---|---|---|
12 monthsbest | — | |
1 yearsbest | — | |
2 inchesbest | 1.5 inches | |
2.75 inchesbest | 2.36 inches | |
— | 33 feetbest | |
158 °Fbest | -4 °F |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Battery(1) | ||
Battery Life (months) | 12 months | months |
Support & Warranty(1) | ||
Warranty Length (years) | 1 years | years |
Security & Access(4) | ||
Security Grade | Standard | |
Unlock Methods | Fingerprint, Keypad, Key Fob, Card, App, Key | Fingerprint, Keypad, App, FOB, Mechanical Key |
Keypad Type | Keypad | Touchscreen |
Encryption Standard | White-box | |
Installation & Compatibility(3) | ||
Door Thickness Compatibility (inches) | 1.3125-2 inches | 1.5-1.89 inches |
Backset (inches) | 2.375-2.75 inches | 2.36-2.76 inches |
Installation Type | DIY | Standard |
Connectivity & Smart Features(3) | ||
Smart Home Integration | Alexa, Google Assistant | Alexa, Google Home |
Bluetooth Range (feet) | feet | 33 feet |
Wi-Fi Standard | Optional | Wi-Fi (Optional) |
Build & Durability(3) | ||
IP Rating | Not specified | |
Operating Temperature (°F) | 14-158 °F | -4 to 158 °F |
Finish | Matte Black | Black |

Products in the top-left offer the best value (high score, low price).

Professional reviewers position the Sifely keyless fingerprint lock as a budget-friendly, easy-install option with strong suitability for indoor, family, and light exterior use. They caution against relying on it in consistently harsh outdoor conditions or for users with very high-moisture or dirt-prone environments, noting that fingerprint reliability under wet conditions is less stable than higher-end competitors.
Everyday users tend to rate this lock highly for interior use and protected entry doors, praising its ease of installation and value for money. The main caveats reported by consumers are conditional grip on fingerprint recognition when hands are wet or dirty, and the need for a gateway to enable full remote features.

“much better than expected for the price”

“love the fingerprint unlock indoors; it becomes a habitual, quick method”

“short video guide and clear markings made replacement of their old lock very simple”




Professional reviewers highlight the LockStar S110BBL-F's fingerprint scanner as exceptional and praise the reliability of its door sensor-based auto-lock feature. Testers noted no issues with door closing or unintended locks, appreciating the physical open-door detection and smooth keypad entry. Product pages also emphasize robust security features like tamper alerts and smart home integration.
Everyday users commonly praise the speed and accuracy of the fingerprint scanner and the reliability of the auto-lock sensor. Recurring themes include appreciation for the multiple entry options and keyless convenience. Complaints are minimal but focus on the need to buy batteries separately and the setup complexity of the gateway for remote use.