Sifely Smart Lock
Score: 78/100
eufy C210
Score: 74/100Rankings
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 Smart Lock C210 is a budget-friendly keyless entry deadbolt with built-in Wi-Fi and a touchscreen keypad, offering five unlock methods and BHMA Grade 3 durability. It lacks biometric scanning and door-sensing capabilities, which are notable trade-offs for advanced users. It is best suited for DIYers wanting quick install and basic remote/keyless access for family or guests.
| Attribute | | |
|---|---|---|
12 monthsbest | 6 months | |
1 years | 18 yearsbest | |
2 inchesbest | — | |
2.75 inchesbest | 2.36 inches | |
158 °Fbest | -22 °F |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Power & Battery(1) | ||
Battery Life (months) | 12 months | 6 months |
Support & Warranty(1) | ||
Warranty Length (years) | 1 years | 18 years |
Security & Access(4) | ||
Security Grade | Grade 3 | |
Unlock Methods | Fingerprint, Keypad, Key Fob, Card, App, Key | App, Keypad, Physical Key, Apple Watch, Voice |
Keypad Type | Keypad | Touchscreen |
Encryption Standard | White-box | Bank-grade |
Installation & Compatibility(2) | ||
Door Thickness Compatibility (inches) | 1.3125-2 inches | Standard inches |
Backset (inches) | 2.375-2.75 inches | 2.36-2.76 inches |
Connectivity & Smart Features(3) | ||
Smart Home Integration | Alexa, Google Assistant | Alexa, Google Assistant, eufy Ecosystem |
Bluetooth Range (feet) | feet | Standard feet |
Wi-Fi Standard | Optional | Wi-Fi |
Build & Durability(4) | ||
Material | Zinc Alloy | Standard |
IP Rating | IPX3 | |
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.
Professional reviewers praise the C210 for its compact design, capable Wi-Fi performance without a hub, and easy setup process. Experts highlight the robust BHMA testing for long-term reliability and the versatility of its five unlock methods.
Everyday users love the sleek look, quick installation, and reliable app remote control that works without range limits. Many appreciate the five unlock options and family-friendly features like temporary codes.
“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”
