Best eufy Security Smart Locks with Auto-Lock in 2026: 2 Picks
We compared 2 eufy security smart locks with auto lock using only published specifications. Check connectivity, battery life, and entry methods to find your best fit.
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Finding the best eufy security smart locks with auto lock requires checking specific hardware details. We compared 2 models using only the specifications published on their listings. The eufy Security 2K Video Smart Lock leads because it integrates a built-in camera for visual verification alongside keyless entry. This combination offers robust security for front doors. The other pick, the eufy Security Smart Lock E31, focuses on long battery life and broad smart home compatibility. This guide helps you decide which lock fits your home based on these published specs.
Choose Based on Entry Method
The top picks differ mainly in how you enter. The number one model includes a built-in camera alongside fingerprint access. The second option relies solely on a fingerprint sensor. If you want visual verification, pick the camera-enabled deadbolt. If you prefer a simpler interface without video features, the fingerprint-only model fits better. Both support Wi-Fi and auto-lock.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | eufy Security 2K Video Smart Lock Best overall | integrated video and keyless entry | |
| 2 | eufy Security Smart Lock E31 Fingerprint Deadbolt Best amazon alexa | long battery life and broad smart home compatibility |
The best fit for you
- You want integrated video and keyless entry – eufy Security 2K Video Smart Lock – It features a built-in camera and fingerprint sensor for heavy-duty security.
- You prioritize long battery life and smart home compatibility – eufy Security Smart Lock E31 Fingerprint Deadbolt – It includes a 10000mAh battery and supports Amazon Alexa, Apple HomeKit, and Matter.
- You prefer a silver deadbolt with Wi-Fi connectivity – eufy Security 2K Video Smart Lock – It offers Wi-Fi connectivity and a silver finish for front door use.
eufy Security 2K Video Smart Lock
Best for: integrated video and keyless entry
- Special Features
- Auto-Lock
- Unlock Methods
- Fingerprint, app, keypad, physical key
- Wireless Connectivity
- Built-in Wi-Fi
- Smart Home Compatibility
- Amazon Alexa, Google Voice Assistant
- Installation Type
- Deadbolt
- Security Certification
- BHMA Grade 3
The eufy Security E331 is a silver deadbolt with auto-lock and a built-in 2K HD camera. It uses fingerprint, keypad, app, or physical keys for entry. The 10,000mAh battery supports Wi-Fi connectivity with Alexa and Google Assistant. It weighs 3.62 pounds and fits standard US deadbolts. This lock suits you if you want video monitoring and keyless access in one unit.
- 2K HD camera with f/1.6 lens for clear visitor views
- 10,000mAh rechargeable battery for reliable power
- BHMA Grade 3 security certification
- Fast fingerprint recognition for quick entry
- Heavier build at 3.62 pounds compared to lighter alternatives
- BHMA Grade 3 certification is lower than top-tier Grade 1 options
- You want a video doorbell and smart lock in one device
- You need a 10,000mAh battery for long-lasting power
- You prefer fingerprint or keypad entry over physical keys
- You require Grade 1 security certification
- You want a lighter lock under 3 pounds
- You do not need video monitoring features
Verdict: eufy Security E331 Video Smart Lock fits you if you need a heavy-duty, video-enabled deadbolt with a large battery. It is a solid choice for homeowners who prioritize integrated camera security and keyless entry.
eufy Security Smart Lock E31 Fingerprint Deadbolt
Best for: long battery life and broad smart home compatibility
- Special Features
- Auto-Lock
- Unlock Methods
- Fingerprint, app, keypad, key, voice
- Wireless Connectivity
- Built-in Wi-Fi, Matter
- Smart Home Compatibility
- Apple Home, Google Home, Alexa
- Installation Type
- Deadbolt
- Auto-Lock Function
- Auto Lock
The eufy Security Smart Lock E31 is a deadbolt with built-in Wi-Fi and Matter support. It unlocks in under 0.3 seconds using fingerprints, a keypad, or voice commands via Alexa. The 10,000mAh battery lasts up to 14 months. It works with Apple Home, Google Home, and Alexa. This model suits you if you want a keyless entry system with long battery life and broad smart home compatibility.
- 10,000mAh rechargeable battery provides up to 14 months of power.
- Built-in Wi-Fi and Matter connectivity for direct hub integration.
- Unlocks in less than 0.3 seconds via fingerprint or app.
- Compatible with Apple Home, Google Home, and Alexa.
- Physical dimensions of 7.7 x 8.1 x 4.4 inches are bulkier than the E331.
- Includes only 18 months of electronic protection compared to longer warranties elsewhere.
- You need a deadbolt with built-in Wi-Fi and no separate hub.
- You want a battery life of up to 14 months on a single charge.
- You use Apple Home, Google Home, or Alexa for voice control.
- You prefer a slimmer profile similar to the E331.
- You require more than 18 months of electronic warranty coverage.
- You do not want to use the included physical key for entry.
Verdict: The eufy E31 Smart Lock with 10000mAh Battery fits you if you prioritize long battery life and broad smart home compatibility over a compact design.
Specifications side by side
| Spec | eufy Security 2K Video Smart Lock | eufy Security Smart Lock E31 Fingerprint Deadbolt |
|---|---|---|
| Unlock Methods | Fingerprint, app, keypad, physical key | Fingerprint, app, keypad, key, voice |
| Wireless Connectivity | Built-in Wi-Fi | Built-in Wi-Fi, Matter |
| Smart Home Compatibility | Amazon Alexa, Google Voice Assistant | Apple Home, Google Home, Alexa |
| Installation Type | Deadbolt | Deadbolt |
| Security Certification | BHMA Grade 3 | – |
| Auto-Lock Function | Auto lock | Auto Lock |
| Application | Front Door | Front Door |
| Entry Method | Built-In Camera, Fingerprint | Fingerprint |
| Color | Silver | Black |
| Lock Type | Deadbolt | Deadbolt |
| Special Features | Auto-Lock | Auto-Lock |
| Control Method | – | App Control, Alexa |
| Compatibility | – | Apple Home |
| Dimensions | 8.7 × 7.08 × 3.13 inches | 8.1 × 7.7 × 4.4 inches |
| Weight | 3.62 pounds | – |
| Size | 1 Count (Pack of 1) | 7.7 inches x 8.1 inches x 4.4 inches |
| Model | T8531 | T85F0 |
Key Specs for Choosing Your Lock
Check Wireless Connectivity
Both models use Wi-Fi for direct internet connection. This means you do not need a separate hub to operate the lock. You can manage access from anywhere with an internet signal. Check your router’s range if your door is far from the main network. Wi-Fi allows real-time notifications when the lock engages. Ensure your home network supports the required band. This setup simplifies installation and keeps the device responsive without extra hardware costs or complexity.
Select Entry Method
Decide how you want to unlock the door daily. The top pick offers a built-in camera and fingerprint sensor. This adds visual verification before you enter. The second model relies solely on a fingerprint sensor. If you prefer quick access without checking a screen, the fingerprint-only option suits you. Consider which method feels more secure and convenient for your household. Fingerprint sensors offer keyless entry without carrying physical keys.
Verify Smart Home Compatibility
If you use voice assistants, check supported platforms. The second model supports Amazon Alexa, Apple HomeKit, and Matter. This broad compatibility allows integration with many existing devices. You can lock or unlock the door using voice commands. The first model does not list these specific integrations in the provided data. Choose the model that matches your current smart home ecosystem. This ensures seamless control and automation routines work correctly.
Review Physical Dimensions
Measure your door’s space before purchasing. The first model measures 7.08 inches wide and 8.7 inches long. It weighs 3.62 pounds. The second model is 7.7 inches wide and 8.1 inches long. Ensure the lock fits your door’s thickness and backset. Larger dimensions may require more space on the door frame. Check the height and width to avoid installation conflicts. Proper fit ensures the deadbolt operates smoothly and securely.
Consider Application and Color
Both locks are designed for front door applications. This ensures they meet standard security requirements for main entries. Choose a color that matches your door’s finish. The first model comes in silver, while the second is black. This aesthetic choice affects the look of your entryway. Silver may blend with metallic doors, while black suits darker frames. Select the color that complements your home’s exterior design for a cohesive appearance.
Frequently asked questions
Do eufy smart locks with auto lock work without a hub?
Yes, both listed models connect directly via Wi-Fi. You do not need a separate hub to operate them. This allows you to manage access from anywhere with an internet signal. Direct connectivity simplifies setup and reduces the number of devices you need to maintain for your smart home.
Which eufy lock is best for visual verification?
The eufy Security 2K Video Smart Lock is the best choice for visual verification. It features a built-in camera alongside fingerprint access. You can see who is at your door before unlocking. This integrated video capability makes it ideal for homeowners who want heavy-duty security and keyless entry combined.
How long does the battery last on the eufy E31?
The eufy Security Smart Lock E31 includes a 10000mAh battery. This large capacity prioritizes long battery life over a compact design. You benefit from extended usage between charges. This spec makes it a solid option if you want to minimize the frequency of battery replacements.
Does the eufy E31 support Apple HomeKit?
Yes, the eufy Security Smart Lock E31 supports Apple HomeKit. It also works with Amazon Alexa and Matter. You can control it via app or voice commands through these platforms. This broad smart home compatibility ensures it integrates well with various ecosystems you may already use.
What entry methods are available on these locks?
Both locks support fingerprint entry. The top pick adds a built-in camera for visual verification. The second model relies solely on the fingerprint sensor. You choose based on whether you need visual confirmation of visitors or just keyless biometric access for your front door deadbolt.
Are these locks compatible with Amazon Alexa?
The eufy Security Smart Lock E31 is compatible with Amazon Alexa. You can use app control and voice commands through Alexa. The top pick does not list Alexa compatibility in its attributes. Check the specific model details if voice control through Alexa is a priority for your setup.
