In today’s fast-paced world, keeping our homes safe and secure while also enjoying modern conveniences is a top priority. That’s where smart home security steps in, transforming how we interact with our living spaces. When it comes to innovative and reliable home security, eufy has consistently delivered a range of products designed to give you peace of mind. From advanced keyless entry systems to integrated video doorbells, their smart locks are changing the game.
Among their impressive lineup, the eufy S330 Video Smart Lock stands out as a true innovator, combining multiple security features into one sleek device. But eufy offers so much more! If you’re looking to upgrade your front door security or enhance your smart home ecosystem, you’ve come to the right place. We’re going to dive deep into 10 of eufy’s best smart locks and essential accessories, helping you find the perfect fit for your home. Let’s unlock the possibilities!
Product Reviews
1. eufy Security Video Smart Lock S330, 3-in-1…

The eufy Security Video Smart Lock S330 is a game-changer, ingeniously combining three essential security devices into one powerful unit: a rapid fingerprint reader, a crisp 2K HD camera, and a sophisticated video doorbell. This 3-in-1 solution offers unparalleled convenience and robust security, allowing you to manage access and monitor your front door from anywhere. It’s perfect for those who want a comprehensive security upgrade without the clutter of multiple devices.
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Key Features:
- Advanced 3-in-1 Triple Security: Fingerprint recognition, 2K HD camera, and video doorbell.
- Five convenient unlocking methods: Fingerprint, eufy Security app, Alexa/Google Voice, keypad, traditional key.
- Remote Management and Notifications via eufy Security app.
- High-Capacity 10,000 mAh rechargeable battery.
- BHMA Certified and IP65 water resistant (-22°F to 158°F operating temp).
- User-friendly 15-minute installation (no drilling for most standard US/CA deadbolts).
- Includes Chime for expandable video storage (up to 128GB microSD) and stable Wi-Fi.
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Pros:
- All-in-one design reduces clutter and simplifies security.
- Multiple unlocking options offer flexibility.
- Excellent battery life with a large rechargeable battery.
- Durable and weather-resistant construction.
- Easy DIY installation.
- Remote monitoring and access control.
- Enhanced video storage and connectivity via Chime.
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Cons:
- Higher upfront cost compared to basic smart locks.
- MicroSD card for storage not included.
- May require Wi-Fi extender if signal is weak at the door.
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User Impressions: Users absolutely love the convenience of having everything in one unit, praising the fast fingerprint recognition and clear video quality. The long battery life is a frequent highlight, and many appreciate the straightforward installation process. While the price point is higher, most feel it’s a worthwhile investment for the comprehensive security it provides.
2. eufy Security Video Smart Lock E330, 3-in-1…

Similar to its S330 sibling, the eufy Security Video Smart Lock E330 also boasts a powerful 3-in-1 security system, integrating a speedy fingerprint lock, a 2K HD camera with an f/1.6 lens for superior night vision, and a video doorbell. It’s designed for seamless control and crystal-clear monitoring, ensuring you never miss a beat at your front door, day or night. This model focuses on delivering robust features with excellent clarity.
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Key Features:
- 3-in-1 Triple Security: Fingerprint recognition, 2K HD camera (f/1.6 lens), and video doorbell.
- 5 Easy Ways to Unlock: Fingerprint, eufy Security app, Alexa/Google Voice, keypad, traditional key.
- Remote Control from Anywhere via eufy Security app with notifications.
- Large 10,000 mAh rechargeable battery powers all features.
- Easy 15-minute installation compatible with standard US/CA deadbolts (no drilling).
- 18-month protection and 24/7 customer service.
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Pros:
- Comprehensive 3-in-1 security solution.
- Excellent night vision due to f/1.6 lens.
- Variety of convenient unlocking options.
- Long-lasting rechargeable battery.
- Hassle-free installation and strong customer support.
- Remote monitoring capabilities with notifications.
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Cons:
- Thumbnail previews for notifications require temporary cloud storage.
- Does not explicitly mention a chime unit included like the S330, which could impact local storage options.
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User Impressions: Customers commend the E330 for its bright, clear video feed, even in low light, and the lightning-fast fingerprint reader. The rechargeable battery is a big hit, reducing recurring costs and environmental impact. Its remote control features provide great convenience and peace of mind.
3. eufy FamiLock S3 Smart Lock With Palm Vein Recognition -…

Step into the future of home security with the eufy FamiLock S3 Smart Lock. What sets this lock apart is its cutting-edge palm vein recognition technology, offering 99.9% accuracy and forgery-proof unlocking in a mere 0.6 seconds. Beyond this futuristic access method, it integrates a 2K HD camera with HDR and an ultra-wide 180° diagonal view, ensuring no blind spots. This is a premium choice for those seeking unparalleled security and advanced smart home integration.
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Key Features:
- Palm Vein Unlocking with 99.9% accuracy, 0.6-second recognition, and on-device data storage.
- All-in-One Smart Lock with 2K HD camera, f/1.6 lens, HDR, and 180° diagonal view.
- Dual Power Supply: 15,000mAh rechargeable lithium battery (4 months life) + 4 AAA backup batteries (1 month extra).
- PIR & Radar Dual Sensors for 95% reduced false alarms and faster detection.
- Seamless Home Automation with Matter & Apple Home, integrated with eufy Ecosystem & HomeBase 3.
- Note: Camera streams not supported via Matter; requires eufy App for full features. Not compatible with HomeBase 2.
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Pros:
- Industry-leading, highly secure palm vein recognition.
- Exceptional camera quality and wide-angle view.
- Robust dual power system for uninterrupted operation.
- Advanced dual-sensor technology minimizes false alerts.
- Future-ready with Matter and Apple Home integration (with HomeBase 3).
- Privacy-first approach with on-device data storage.
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Cons:
- Camera streams not directly supported via Matter.
- Requires HomeBase 3 for full Matter integration and advanced AI features.
- Not compatible with HomeBase 2.
- Premium price point.
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User Impressions: Early adopters are amazed by the palm vein technology’s speed and reliability, calling it incredibly convenient and secure. The wide-angle camera and dual power supply are also frequently praised. While the specific HomeBase 3 requirement and Matter camera stream limitation are noted, users find its overall feature set and integration with the eufy ecosystem to be top-tier.
4. Security Rechargeable Battery for eufy S330 Video Smart…

Don’t get caught with a dead battery! This official Security Rechargeable Battery for eufy S330 Video Smart Lock is an essential accessory, offering a generous 10,500 mAh ultra-large capacity. Having a spare battery ensures continuous operation for your eufy S330 or other compatible eufy smart devices, so your home security is always on point. Its Type-C fast charging capability means less downtime, keeping your smart lock ready for action.
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Key Features:
- LxWxH: 76x59x21mm / 2.99×2.32×0.82in.
- Product Weight: 170g±5g.
- Type-C Fast Charging.
- 10,500 mAh ultra-large capacity rechargeable battery.
- BHMA certified, IP65 waterproof, and operates from -20°C to 60°C (-22°F to 158°F).
- Adaptable Models: eufy Security S330 3-in-1 Video Smart Lock, Smart Lock Touch & Wi-Fi (T8520), and Smart Drop/Delivery Box.
- Quick Charge & Installation: Can be charged without removing the smart lock from the door.
- Package includes 1x rechargeable battery, 1x USB charging cable.
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Pros:
- Provides extended and continuous operation for compatible eufy devices.
- Large capacity means less frequent charging.
- Convenient Type-C fast charging.
- Durable and weather-resistant design.
- Easy to swap out and charge without disrupting the lock.
- Peace of mind with a backup power source.
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Cons:
- An additional purchase, increasing the overall cost of ownership.
- Charging cable is 30CM (though standard USB-C is likely fine).
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User Impressions: Users who own a eufy S330 Video Smart Lock (or other compatible eufy devices) find this extra battery invaluable. They appreciate the peace of mind knowing they can quickly swap out a depleted battery without waiting for it to charge, ensuring uninterrupted security. The Type-C charging is also a convenient upgrade.
5. eufy Security Smart Lock C220, Fingerprint Keyless Entry…

The eufy Security Smart Lock C220 offers a fantastic balance of convenience, security, and smart home integration. This fingerprint-enabled keyless entry lock boasts a self-learning AI that improves fingerprint recognition with every use, ensuring quick and reliable access. With built-in Wi-Fi, you don’t need an extra bridge, making remote control and monitoring incredibly straightforward via the eufy Security app.
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Key Features:
- 8 Months Battery Life with 8 AA batteries (usage dependent).
- Self-learning AI for precise fingerprint recognition (unlocks in <1.5s).
- 6 Ways to Unlock: Fingerprint, eufy Security app, keypad, physical key, Apple Watch, Alexa/Google Voice Assistant.
- Control from Anywhere with Built-in Wi-Fi (no bridge required).
- Integrated eufy ecosystem for routines with other eufy devices.
- Easy 15-minute installation (no drilling, compatible with standard US/CA deadbolts).
- Security and Durability: Alarm for unusual attempts, -30℃ to 70℃ operating temp, IP53 Waterproof.
- 18-month protection and 24/7 customer service.
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Pros:
- Long battery life for a Wi-Fi enabled lock.
- Fast and improving fingerprint recognition.
- Versatile unlocking options.
- True remote control without an extra bridge.
- Seamless integration with existing eufy devices.
- Robust security features and durable design.
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Cons:
- Uses 8 AA batteries rather than a rechargeable pack (though 8 months is good).
- Doesn’t include a built-in camera or doorbell.
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User Impressions: Customers love the C220 for its responsive fingerprint reader and the convenience of direct Wi-Fi connectivity. The extended battery life is a pleasant surprise for many, and the ability to integrate it with other eufy security products like doorbells is a huge plus for building a cohesive smart home.
6. eufy FamiLock S3 Max Smart Lock with Palm Vein…

Taking the already impressive FamiLock S3 up a notch, the eufy FamiLock S3 Max Smart Lock delivers ultimate security and convenience. It retains the groundbreaking palm vein recognition technology for lightning-fast and forgery-proof unlocking, but adds an incredible rear lock video screen. This screen allows anyone inside to instantly see who’s at the door without needing a smartphone, making it perfect for families, especially the elderly and children. This is truly an all-in-one security powerhouse.
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Key Features:
- Palm Vein Unlocking: 99.9% accuracy, 0.6-second recognition, on-device data storage.
- All-in-one device: 2K HD camera (f/1.6 lens), video doorbell with 150° Head-to-Toe view, real-time visitor alerts.
- The Rear Lock Video Screen for app-free front door monitoring, ideal for elderly and children.
- Dual Power Supply System: Rechargeable battery (4 months full functionality) + 4 AAA backup batteries (1 month essential).
- Seamless Home Automation with Matter & Apple Home (with HomeBase 3 for AI features).
- Note: Camera streams not supported via Matter; requires eufy App for full features. Not compatible with HomeBase 2.
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Pros:
- Superior palm vein unlocking security and speed.
- Excellent 2K HD camera with wide-angle view and night vision.
- Unique rear video screen for easy, app-free monitoring from inside.
- Reliable dual power supply system.
- Future-proof Matter and Apple Home integration (with HomeBase 3).
- Comprehensive visitor monitoring and alerts.
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Cons:
- Premium price, even higher than the S3.
- Camera streams not directly supported via Matter.
- Requires HomeBase 3 for full Matter and AI features.
- Not compatible with HomeBase 2.
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User Impressions: Users are incredibly impressed by the S3 Max’s innovative rear video screen, highlighting its usefulness for all family members. The palm vein recognition continues to be a standout feature for its security and speed. While it’s a significant investment, the comprehensive features and advanced security make it a top contender for those prioritizing ultimate home protection.
7. NASTIMA Security Rechargeable Battery Compatible with eufy…

For users of the eufy S330 Video Smart Lock, E330, or other compatible eufy devices, the NASTIMA Replacement Rechargeable Battery offers a reliable and cost-effective alternative to ensure your security system stays powered. With a high capacity of 10500mAh, this Li-ion battery is designed to fully replace the original, providing peace of mind and continuous operation. Its safety features and charging indicator add to its appeal.
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Key Features:
- Fully Compatibility: Replaces original battery for eufy S330, S230, E330, S231 Video Smart Lock 3-in-1 and Smart Drop.
- Technical Specification: 3.6/3.7V, 10500mAh Li-ion, 77.55921mm / 2.972.320.83in, 170g/0.37lb.
- Includes 30CM USB charge cable (5V 2A MAX).
- Charging Indicator: Dual color LED (Flashing Green: charging; Solid Green: full charged).
- Safety: Made with grade A+ cells, offers Over Charge, Over Discharge, Short-circuit, and Over-temperature protection.
- 100% Satisfaction: 35 days money back, 1 year Warranty, 24/7 customer support.
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Pros:
- Cost-effective alternative to the official eufy battery.
- High 10500mAh capacity for long-lasting performance.
- Full compatibility with multiple eufy smart locks and devices.
- Built-in safety protections for reliable use.
- Clear LED charging indicator.
- Strong warranty and customer support.
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Cons:
- Not an official eufy branded product (though fully compatible).
- USB charge cable is relatively short.
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User Impressions: Users needing a replacement or backup battery for their eufy smart locks, including the eufy S330 Video Smart Lock, find the NASTIMA battery to be a highly satisfactory option. They appreciate its identical capacity, robust safety features, and the added convenience of the charging indicator, all at a competitive price.
8. eufy Security Floodlight Cam S330, 360-Degree Pan & Tilt…

While not a smart lock, the eufy Security Floodlight Cam S330 is a powerful complement to any eufy security setup, especially if you have a eufy S330 Video Smart Lock. This outdoor camera offers expansive 360° pan and tilt coverage, eliminating blind spots around your property. With 2K Full HD resolution and super-bright 3,000-lumen motion-activated floodlights, it ensures detailed, full-color recordings day and night, making it an excellent addition for comprehensive perimeter security.
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Key Features:
- 360° Pan and Tilt Camera Coverage for complete view.
- 2K Full HD resolution for live-streaming and recording.
- Smart lighting with 3 Tunable Light Panels: adjusts color temperature and brightness based on schedules, motion.
- AI Subject Lock and Tracking: on-device AI recognizes, tracks, and records subjects.
- Turn Night Into Day: 3,000-lumen super-bright motion-activated floodlights deter intruders and enable full-color night recordings.
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Pros:
- Extremely wide coverage with pan and tilt.
- High-resolution video capture.
- Intelligent floodlights enhance visibility and deter intruders.
- AI-powered subject tracking for focused monitoring.
- Excellent for securing larger areas around the home.
- Integrates well within the broader eufy ecosystem.
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Cons:
- Not a smart lock; solely a security camera.
- Requires a power outlet for installation.
- Might be overkill for smaller properties.
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User Impressions: Customers are blown away by the S330 Floodlight Cam’s ability to cover vast areas with its pan and tilt function. The bright floodlights and clear 2K video are frequently highlighted as excellent deterrents and monitoring tools. The AI tracking is also highly praised for its effectiveness in keeping an eye on specific activity.
9. eufy Security Smart Lock E30, Fingerprint Keyless Entry…

The eufy Security Smart Lock E30 is a versatile and user-friendly fingerprint keyless entry lock designed to integrate seamlessly into your existing smart home setup. With direct Apple Home support, it works effortlessly with Home, Google Home, Alexa, and SmartThings. Its self-improving fingerprint recognition ensures ultra-fast unlocking (under 0.3 seconds) for all family members, offering convenience and security in one elegant package.
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Key Features:
- Apple Home Support: Seamless integration with Apple Home, Google Home, Alexa, and SmartThings via existing hub.
- Unlock for the Whole Family’s Needs: Fingerprint (<0.3s), APP control, keypad, physical key, Siri/Alexa/Google Assistant.
- Up to 8 Months of Battery Life (8 AA batteries, 10 unlocks/day average), with low battery alerts and power-save mode.
- Remote Control via Homepod or Other Hubs for access management, real-time notifications, and event logs.
- Easy 15-minute installation compatible with standard US/CA doors (no drilling).
- 18-month electronic protection, 36-month mechanical coverage, 24/7 customer support.
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Pros:
- Excellent multi-platform smart home integration, especially Apple Home.
- Extremely fast and improving fingerprint recognition.
- Multiple convenient unlocking options.
- Solid battery life for a non-rechargeable unit.
- Comprehensive warranty and customer service.
- Remote control functionality via existing smart home hubs.
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Cons:
- Requires an existing hub (e.g., HomePod, Apple TV) for remote Apple Home features.
- No built-in camera or video doorbell feature.
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User Impressions: Reviewers love the E30’s broad compatibility, particularly for Apple Home users who appreciate the smooth integration. The quick fingerprint scanner and various unlocking methods make daily entry a breeze. The long battery life and robust warranty also contribute to a highly positive user experience.
10. eufy Security Smart Lock C30, Keyless Entry Door Lock,…

The eufy Security Smart Lock C30 offers a straightforward yet highly secure keyless entry experience, focusing on reliability and ease of use. With built-in Wi-Fi, it requires no bridge for remote control via the eufy Security app, allowing you to manage access and receive notifications from anywhere. Its physical buttons provide enhanced durability over touchscreens, and the auto-lock feature ensures your door is always secure, even if you forget.
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Key Features:
- Remote Control from Anywhere with Built-in Wi-Fi (no bridge required).
- Smart Lock: Physical key, voice commands (Alexa/Google Assistant), physical button entry.
- Physical buttons offer enhanced durability and error resistance compared to touchscreens.
- Auto-lock feature based on time settings, whether door is open or closed.
- Easy 15-minute DIY installation (no drilling for most standard deadbolts).
- Integrated Smart Home: Pair with a eufy doorbell for routines within the eufy Security app.
- Security and Durability: 4 AA batteries (up to 5 months life), low battery indicator, -30℉ to 70℉ operating temp, IPX3 waterproofing, wrong-try protection.
- 18-month protection and 24/7 customer service.
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Pros:
- True remote control without an additional hub.
- Durable physical keypad buttons.
- Reliable auto-lock functionality.
- Straightforward DIY installation.
- Good battery life for a non-rechargeable unit.
- Strong security features like wrong-try protection.
- Integrates well with other eufy devices.
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Cons:
- No fingerprint reader (relies on keypad, app, voice, key).
- IPX3 waterproofing is basic compared to some higher-rated locks.
- Doesn’t include a built-in camera or doorbell.
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User Impressions: Users appreciate the C30’s no-frills, reliable performance and the tactile feedback of physical buttons. The built-in Wi-Fi and auto-lock feature are frequently cited as key conveniences. It’s often recommended for those who want robust basic smart lock functionality without the complexity or higher cost of video or biometric features.
FAQ Section
Q1: What exactly is a 3-in-1 video smart lock?
A1: A 3-in-1 video smart lock, like the eufy S330 Video Smart Lock, integrates a smart lock (often with fingerprint and keypad access), a high-definition security camera, and a video doorbell into a single device. This means you get keyless entry, visual monitoring, and two-way communication all at your front door, managed through one app.
Q2: Do eufy smart locks, especially the eufy S330 Video Smart Lock, require a separate hub or bridge?
A2: Many newer eufy smart locks, including the eufy S330 Video Smart Lock, have built-in Wi-Fi, meaning they connect directly to your home network and don’t require a separate hub for remote control via the eufy Security app. However, some advanced features or integration with platforms like Apple Home/Matter (e.g., FamiLock S3/S3 Max) may benefit from or require a eufy HomeBase (specifically HomeBase 3 for the latest models) for AI detection, local storage, or broader smart home ecosystem integration.
Q3: How long does the battery last on eufy smart locks, and are they rechargeable?
A3: Battery life varies by model. For video smart locks like the eufy S330 Video Smart Lock and E330, they typically feature large 10,000 mAh rechargeable batteries that can last for several months (e.g., 4-8 months) depending on usage. Other models like the C220 or E30 use multiple AA batteries, offering similar extended lifespans before needing replacement. Batteries like the ones for the S330 are often removable for easy charging or swapping.
Q4: Can I control my eufy smart lock remotely?
A4: Yes, absolutely! Most eufy smart locks with built-in Wi-Fi or hub integration allow you to control them remotely through the eufy Security app. You can lock/unlock your door, view event history, manage access codes, and receive real-time notifications, all from your smartphone, no matter where you are.
Q5: Are eufy smart locks compatible with other smart home systems like Alexa, Google Home, or Apple Home?
A5: Yes, many eufy smart locks are designed for broad compatibility. Most support voice control via Amazon Alexa and Google Assistant. Newer models like the FamiLock S3/S3 Max and Smart Lock E30 also offer Matter support and direct integration with Apple Home, allowing for seamless control and automation within your preferred smart home ecosystem (though specific features like camera streams might still require the eufy app).
Q6: Is installation difficult for eufy smart locks?
A6: Eufy prioritizes user-friendly installation. Most of their smart locks are designed for DIY installation in about 15-30 minutes, compatible with standard US and Canadian deadbolt spacings. In many cases, no drilling is required, making the upgrade process quick and hassle-free.
Q7: How secure are the fingerprint and palm vein recognition features?
A7: Eufy’s biometric recognition systems are highly advanced. Fingerprint readers, like on the eufy S330 Video Smart Lock, often improve with each use and provide fast, secure access. Palm vein recognition, found in the FamiLock S3 and S3 Max, is considered even more secure due to the unique, internal patterns of your veins, offering 99.9% accuracy and forgery-proof protection with data stored securely on the device itself.
Q8: What happens if the battery dies or there’s a power outage?
A8: Eufy smart locks are designed with fail-safes. For models with rechargeable batteries, low battery alerts are sent well in advance. Many also have physical key access as a backup. Locks with dual power supplies (like the FamiLock S3/S3 Max) include emergency AAA batteries. Even if power is completely lost, you can usually still open the door with a traditional key.



