
eufy Smart Lock C33
Score: 78/100
eufy FamiLock E34
Score: 92/100Rankings

The eufy FamiLock E34 is a Wi-Fi-enabled smart deadbolt featuring biometric palm vein recognition as its primary unlocking method, offering ANSI/BHMA Grade 1 security. It combines this novel vein-scanning technology with traditional smart home controls, multiple backup authentication methods, and a dual-battery power system for reliability. It is best suited for tech-forward homeowners seeking cutting-edge biometric security and privacy.

The eufy Smart Lock C33 is a keyless deadbolt featuring integrated Wi-Fi and adaptive biometric fingerprint recognition that learns from handle grip usage. It offers multiple unlock methods including a keypad, app, and physical key, with a focus on easy 15-minute installation without drilling. It is ideal for front/side doors, garages, bedrooms, offices, short-term rentals, or guest rooms where quick biometric access and easy install matter over premium security or video features.
| Attribute | ![]() | ![]() |
|---|---|---|
7,020 hoursbest | 5,760 hours | |
— | 50 usersbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Access & Security(4) | ||
Unlock Methods | Fingerprint, Keypad Passcode, App Remote Control, Physical Key, NFC Card | Palm Vein, Physical Key, Voice Commands, Passcode/Keypad, Smartphone App |
Security Grade | BHMA Grade 3 | ANSI/BHMA Grade 1 |
Fingerprint Capacity (users) | users | 50 users |
Encryption Standard | Matter | |
Durability & Environment(2) | ||
IP Rating | IP53 | IP65 |
Exterior Material | Aluminum | Black |
Power & Battery(3) | ||
Battery Life (hours) | 7020 hours | 5760 hours |
Low Battery Alert | true | |
Emergency Power Port | true | |
Features & Convenience(1) | ||
Keypad Type | Back-lit, Anti-peeping | Keypad |
Connectivity & Smart Home(2) | ||
Smart Home Ecosystem | Alexa, Google Assistant | Apple Home, Google Home, Alexa, SmartThings |
Bluetooth Support | false | true |


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

Professional reviewers praise the eufy Smart Lock C33 for its seamless fingerprint integration, hassle-free installation, and family-friendly biometrics, deeming it ideal for rentals and garages.
Everyday users appreciate the effortless family use, quick app setup, and reliable fingerprint performance for daily front door entry. The handle grip design and long battery life are frequently praised for reducing maintenance.

Professional reviewers highlight the novelty of palm vein technology as a major differentiator, noting its effectiveness in addressing spoofing vulnerabilities common in fingerprint systems. The dual power system and no-drilling installation are praised for practicality and reliability.
Users appreciate the innovative palm vein technology and the convenience of DIY installation without drilling. The long battery life and backup power system are frequently cited as reassuring features.
