Sifely Smart Lock
Score: 78/100
Sifely Smart Lock
Score: 78/100Rankings
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.
The samtechT Bluetooth Fingerprint Smart Lock offers a robust ANSI Grade 2 motorized deadbolt with UL fire-resistance and versatile entry options. Its main drawback is the bulkier handle design and occasional app connectivity issues. It is best suited for homeowners seeking a budget-friendly DIY upgrade with guest code management.
| Attribute | | |
|---|---|---|
12 monthsbest | 8 months | |
1 yearsbest | — | |
2 inchesbest | 1.375 inches | |
2.75 inchesbest | 2.375 inches | |
— | 98 feetbest | |
158 °Fbest | -13 °F |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Power & Battery(1) | ||
Battery Life (months) | 12 months | 8 months |
Support & Warranty(1) | ||
Warranty Length (years) | 1 years | years |
Security & Access(4) | ||
Security Grade | Grade 2 | |
Unlock Methods | Fingerprint, Keypad, Key Fob, Card, App, Key | Fingerprint, Keypad, FOB, Code, App, Physical Key |
Keypad Type | Keypad | Touchscreen |
Encryption Standard | White-box | |
Installation & Compatibility(2) | ||
Door Thickness Compatibility (inches) | 1.3125-2 inches | 1.375 inches |
Backset (inches) | 2.375-2.75 inches | 2.375 inches |
Connectivity & Smart Features(3) | ||
Smart Home Integration | Alexa, Google Assistant | Alexa, Google |
Bluetooth Range (feet) | feet | 98 feet |
Wi-Fi Standard | Optional | 802.11 b/g/n |
Build & Durability(4) | ||
Material | Zinc Alloy | |
IP Rating | IP54 | |
Operating Temperature (°F) | 14-158 °F | -13 °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.
Professional reviewers generally view the samtechT lock positively for its value-to-feature ratio and ease of DIY installation. They highlight the robust mechanical security provided by the ANSI Grade 2 rating and UL fire resistance, noting that the motorized deadbolt offers a solid upgrade over thumb-turn styles.
Everyday consumers frequently praise the convenience of keyless entry and the ability to generate time-limited codes for guests and family members. The fingerprint sensor is generally well-regarded for speed and accuracy, though some users note issues with wet or dirty hands.
“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”
