eufy Security eufy Video Smart Lock or eufy Security eufy Video Doorbell? Which eufy Security Model to Buy
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When you compare the eufy security video smart lock e40 vs eufy video doorbell, you are looking at two distinct security tools. Both devices offer 2K video resolution and dual-band Wi-Fi connectivity for clear visuals and stable connections. The main difference lies in their function and power. The lock integrates access control with facial recognition and local storage, while the doorbell bundle focuses on outdoor monitoring with a separate camera. You must choose based on whether you need entry management or perimeter surveillance.
Key differences
| Aspect | eufy Video Doorbell and Outdoor Camera Bundle | eufy Video Smart Lock E40 Facial Recognition |
|---|---|---|
| Primary Function | Smart lock with integrated doorbell and camera | Outdoor doorbell and separate outdoor camera bundle |
| Access Method | Facial recognition, key, and code | Not listed |
| Power Source | 15,000mAh battery with 800mAh backup | Rechargeable 6500mAh battery or wired |
| Storage Type | Built-in 32GB local storage | Not listed |
| Smart Home Compatibility | Matter, Apple Home, Google Home, Alexa, SmartThings | eufy app ecosystem |
| Motion Detection | 60 GHz radar for human detection | Standard doorbell motion detection |
Which one should you choose?
Choose eufy Video Doorbell and Outdoor Camera Bundle if
- You need a keyless entry solution with facial recognition
- You want local storage without monthly fees
- You prefer Matter-compatible smart home integration
Choose eufy Video Smart Lock E40 Facial Recognition if
- You want to monitor visitors and packages with a separate camera
- You prefer a simpler installation without drilling
- You need a dedicated outdoor surveillance view
Verdict: Choose the Video Smart Lock E40 if you prioritize secure, keyless entry and local data storage. Select the Video Doorbell and SoloCam bundle if you require comprehensive outdoor monitoring with a dedicated camera. Your decision depends on whether you need access control or visual surveillance.
Lock vs Doorbell Specs Compared
power source
The eufy Video Smart Lock E40 uses a 15,000mAh rechargeable battery with an 800mAh backup. This setup supports up to six months of operation. The eufy Video Doorbell C31 bundle includes a 6500mAh rechargeable battery. It also supports wired power for continuous use. The lock offers higher capacity and a dedicated backup unit. This ensures uninterrupted security even if the main battery drains. The doorbell relies on its single battery pack or wiring. You get longer battery life with the lock model.
access method
The eufy Video Smart Lock E40 features facial recognition for keyless entry. It stores all facial data locally for privacy. This allows natural unlocking for family members. The eufy Video Doorbell C31 does not include biometric access. It relies on video calls and quick responses via the app. You use the doorbell to see and speak to visitors. You use the lock to physically open the door. The lock provides a more direct entry method for authorized users.
storage type
The eufy Video Smart Lock E40 includes 32GB of built-in local storage. This keeps footage on the device without monthly fees. The eufy Video Doorbell C31 bundle does not list internal storage in its specifications. It likely relies on cloud storage or a separate hub for recording. Local storage on the lock offers immediate access and privacy. You do not need a subscription to save video on the E40. The doorbell requires checking its hub or cloud settings for storage options.
smart home compatibility
The eufy Video Smart Lock E40 supports Matter for integration with Apple Home, Google Home, Alexa, and SmartThings. This provides broad compatibility with various smart home ecosystems. The eufy Video Doorbell C31 bundle mentions dual-band Wi-Fi but does not list Matter support in its key specs. It integrates with the eufy ecosystem and likely requires the eufy app for full features. The lock offers more direct integration with third-party smart home platforms via Matter.
motion detection
The eufy Video Smart Lock E40 uses a 60 GHz radar sensor. This high-precision radar detects human motion while filtering out pets and wind. It reduces false alerts and extends battery life. The eufy Video Doorbell C31 bundle does not specify its motion detection technology in the provided data. It likely uses standard motion sensors common in doorbells. The lock’s radar technology offers more accurate human detection. This minimizes unnecessary notifications for the user.
video resolution
Both devices offer 2K video resolution. The eufy Video Smart Lock E40 provides 2K HD video with a 135-degree field of view. The eufy Video Doorbell C31 offers 2K FHD clarity with a 4:3 aspect ratio. Both deliver clear visuals day and night. The lock focuses on a wide head-to-toe view for deliveries. The doorbell uses a vertical format for better visitor framing. You get similar clarity from both devices, with different viewing angles.
Which eufy security model fits you
You want keyless entry with facial recognition
The eufy Video Smart Lock E40 unlocks via facial recognition, storing data locally for privacy. It combines a 2K HD camera, doorbell, and lock into one unit. The 135-degree field of view captures full-body details. A 60 GHz radar reduces false alerts by filtering pets and wind, ensuring precise notifications for your front door.
You need a standalone doorbell with a camera
The eufy Video Doorbell C31 bundle offers 2K FHD clarity with a 4:3 head-to-toe view. It includes a SoloCam S340 for extended coverage. Dual power options let you choose between a 6500mAh battery or wired installation. Dual-band Wi-Fi ensures stable connectivity for live video calls and quick responses when visitors arrive.
You prefer local storage without monthly fees
The eufy Video Smart Lock E40 features built-in 32GB local storage, so you keep footage without subscription costs. It integrates with Apple Home, Google Home, Alexa, and SmartThings via Matter. The 15,000mAh battery lasts up to six months, with an 800mAh backup ensuring uninterrupted operation even when the main power is low.
The products compared
eufy Video Doorbell and Outdoor Camera Bundle
Best for: comprehensive entry monitoring with vertical view
- Video Resolution
- 2K FHD
- Power Source
- Rechargeable battery, wired
- Connectivity
- Dual-band 2.4GHz and 5GHz
View on Amazon: eufy Video Doorbell and Outdoor Camera Bundle Affiliate link
This bundle pairs the eufy Video Doorbell C31 with the SoloCam S340. The doorbell records in 2K FHD with a 4:3 vertical view. It supports dual-band Wi-Fi for stable connections and offers dual power options via a 6500mAh battery or wired setup. You get real-time chat and quick responses. This setup suits you if you need comprehensive entry monitoring with flexible installation choices.
Pros
- 2K FHD video resolution for clear visuals
- 4:3 aspect ratio provides head-to-toe view
- Dual-band 2.4GHz and 5GHz Wi-Fi support
- 6500mAh rechargeable battery with wired option
Cons
- Requires app update for enhanced performance
- Bundle includes a separate camera, not just a doorbell
- Battery must be inserted for wired function
Good fit if
- You want a vertical field of view for visitors
- You need flexible power options for installation
- You prefer dual-band Wi-Fi connectivity
Skip if
- You only need a standalone doorbell without extra cameras
- You require a single-unit solution for your entryway
- You cannot install a separate security camera nearby
Verdict: eufy Video Doorbell C31 & SoloCam Bundle delivers 2K FHD clarity and dual power flexibility. It fits you best if you want a complete entry monitoring system with a vertical view and stable Wi-Fi.
eufy Video Smart Lock E40 Facial Recognition
Best for: All-in-one keyless entry and 2K monitoring
- Video Resolution
- 2K
- Power Source
- 15,000mAh battery, 800mAh backup
- Field of View
- 135°
- Storage Type
- 32GB local storage
- Connectivity
- Matter
- Color
- Black
View on Amazon: eufy Video Smart Lock E40 Facial Recognition Affiliate link
The eufy Security Video Smart Lock E40 combines a 2K HD camera, doorbell, and smart lock into one unit. It uses 135-degree facial recognition for keyless entry and stores footage on 32GB of local storage. A 15,000mAh battery provides up to 6 months of power. It supports Matter for integration with major smart home platforms. This all-in-one device suits homeowners seeking a secure, privacy-focused front door solution without monthly fees.
Pros
- 2K HD camera with 135-degree head-to-toe view
- Facial recognition unlocking with local data storage
- 15,000mAh battery with 800mAh backup power
- 32GB built-in local storage with no monthly fees
- Matter support for Apple Home, Google Home, and Alexa
Cons
- Camera streams are not supported via Matter
- Not compatible with round or non-standard faceplates
- Requires eufy app for full feature access
Good fit if
- You want a single device for locking and monitoring
- You prefer local storage over cloud subscriptions
- You use Apple Home, Google Home, or Alexa
Skip if
- You have a round or non-standard deadbolt
- You need camera streaming through Matter
- You require integration with SmartThings only
Verdict: The eufy Security Video Smart Lock E40 fits homeowners who want a unified locking and viewing system with local privacy. It is ideal for standard US/Canadian doors needing keyless access and 2K video monitoring.
Specifications side by side
| Spec | eufy Video Doorbell and Outdoor Camera Bundle | eufy Video Smart Lock E40 Facial Recognition |
|---|---|---|
| Video Resolution | 2K FHD | 2K |
| Power Source | Rechargeable battery, wired | 15,000mAh battery, 800mAh backup |
| Field of View | not stated | 135° |
| Storage Type | not stated | 32GB local storage |
| Connectivity | Dual-band 2.4GHz and 5GHz | Matter |
| Resolution | not stated | 2K |
| Color | not stated | Black |
| Application | not stated | Front Door |
| Dimensions | not stated | 2.99 × 1.27 × 8.03 inches |
| Model | not stated | T85M0 |
Frequently asked questions
Can the eufy Video Smart Lock E40 function as a standalone doorbell?
Yes, the E40 integrates a doorbell button directly into the lock unit. You receive audio and video notifications when visitors press the button. This all-in-one design saves space on your door frame compared to installing separate devices. It combines keyless entry and 2K monitoring in a single Black unit.
What is the field of view on the eufy Video Smart Lock E40?
The E40 features a 135-degree field of view. This wide angle captures a broad area of your front porch. You can see packages or visitors standing to the side of the door clearly. The 2K HD resolution ensures the footage remains sharp across this wide span.
Does the eufy Video Doorbell C31 bundle include an outdoor camera?
Yes, the top-ranked bundle includes both the Video Doorbell C31 and an Outdoor Camera. This setup provides comprehensive entry monitoring with a vertical view. You get dual power flexibility with wired and battery options for both devices. It is designed for stable Wi-Fi connections.
How does facial recognition work on the E40 lock?
The E40 uses facial recognition to unlock the door without keys. The system stores this biometric data locally on the device. This approach prioritizes your privacy by keeping sensitive information off the cloud. It is ideal for standard US or Canadian doors needing secure, keyless access.
What are the physical dimensions of the eufy Video Smart Lock E40?
The E40 measures 8.03 inches in height, 2.99 inches in length, and 1.27 inches in width. Its compact Black design fits neatly on most front doors. These specific dimensions ensure it does not obstruct existing door hardware or trim while providing full 2K video monitoring capabilities.
Is the eufy Video Doorbell C31 suitable for vertical viewing?
Yes, the C31 is optimized for vertical viewing. This orientation is ideal for monitoring people approaching your entrance from head to toe. The bundle delivers 2K FHD clarity for detailed visuals. It fits best if you want a complete entry monitoring system with this specific perspective.
Can I use the E40 without a smartphone app?
The E40 is designed as a unified system for homeowners. While it offers local privacy for facial data, it typically connects via Wi-Fi for remote features. The product data highlights its role as a keyless entry and 2K monitoring unit. You should verify app requirements in the manual for full functionality.