Sifely Smart Lock
Score: 78/100
eufy Video Smart Lock E330 3-in-1
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 eufy Security Video Smart Lock E330 is an innovative all-in-one deadbolt that integrates a 2K camera, doorbell, and keyless entry. While it offers robust security features and local storage, users report significant battery drain and limited smart home ecosystem compatibility. It is best suited for tech-savvy users in the Alexa/Google ecosystem who want an integrated front-door solution.
| Attribute | | |
|---|---|---|
12 monthsbest | 3 months | |
1 years | 1.5 yearsbest | |
2 inchesbest | 1.38 inches | |
2.75 inchesbest | — | |
158 °Fbest | -22 °F |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Power & Battery(2) | ||
Battery Life (months) | 12 months | 3-12 months |
Battery Type | AA | Rechargeable Li-ion |
Support & Warranty(1) | ||
Warranty Length (years) | 1 years | 1.5 years |
Security & Access(4) | ||
Security Grade | BHMA | |
Unlock Methods | Fingerprint, Keypad, Key Fob, Card, App, Key | Fingerprint, App, Keypad, Voice, Physical Key |
Keypad Type | Keypad | Touchscreen |
Encryption Standard | White-box | AES128 + ECC |
Installation & Compatibility(3) | ||
Door Thickness Compatibility (inches) | 1.3125-2 inches | 1.38-2.17 inches |
Backset (inches) | 2.375-2.75 inches | inches |
Installation Type | DIY | No drilling required |
Connectivity & Smart Features(1) | ||
Wi-Fi Standard | Optional | Built-in |
Build & Durability(4) | ||
Material | Zinc Alloy | Black |
IP Rating | IP65 | |
Operating Temperature (°F) | 14-158 °F | -22 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 praise the E330 for its innovative all-in-one design, sharp 2K camera, and reliable motion detection. Critics note rapid battery drain, poor dark-time usability for the keypad, and limited ecosystem compatibility.
Everyday users appreciate the seamless fingerprint unlocks, clear video quality, and no subscription fees. Recurring complaints focus on battery life falling short of expectations, confusing keypad lighting at night, and occasional Wi-Fi connectivity issues.
