Is the Eufy FamiLock S3 Max (Palm-Vein + Video) worth it?
The Eufy FamiLock S3 Max (Palm-Vein + Video) is recommended with a 8.5/10 consensus score. Experts highlight palm-vein recognition captures over 50,000 data points and unlocks in 0.6 seconds at 99.9% accuracy, a forgery-resistant biometric that works in the dark without exposing your face. and combines a deadbolt, a 150-degree 2k hdr video doorbell, and a 4-inch 1080p interior screen, so you answer the door and verify a visitor from one device.. Best for: Buyers who want hands-free biometric entry plus a built-in video doorbell and screen, Anyone who prefers palm-vein privacy over a face-scanning camera at the door.

Verified 29d ago
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Eufy FamiLock S3 Max (Palm-Vein + Video)
Security
Expert consensus
How we scoreKey Features
- ✓ Palm-vein recognition, 50,000+ data points, 0.6 seconds unlock at 99.9% accuracy
- ✓ 150-degree 2K HDR video doorbell with 4-inch 1080p interior screen
- ✓ ANSI/BHMA Grade 1, 16GB local storage, no monthly fee
- ✓ Matter support: Apple Home, Google, Alexa, SmartThings
- ✓ Two rechargeable batteries, up to 5 months, plus 4 AAA backup
- ✓ Stores palm-vein data for up to 50 family members
Best For
What Experts Agree On
What Experts Love
- ✓ Palm-vein recognition captures over 50,000 data points and unlocks in 0.6 seconds at 99.9% accuracy, a forgery-resistant biometric that works in the dark without exposing your face.
- ✓ Combines a deadbolt, a 150-degree 2K HDR video doorbell, and a 4-inch 1080p interior screen, so you answer the door and verify a visitor from one device.
- ✓ ANSI/BHMA Grade 1 weatherproof build with 16GB of local storage and no monthly fee, plus Matter support for Apple Home, Google Home, Alexa, and SmartThings.
- ✓ Two rechargeable batteries deliver up to 5 months of use with 4 AAA backup cells so a dead pack never locks the door.
Common Criticisms
- ✗ It unlocks by palm-vein rather than face, so true face-walk-up unlock is not available and you still raise a hand to the reader.
- ✗ Reviewers found the smart-home setup fiddly and rated the video as only adequate for the $279.99 all-in-one price.
Frequently Asked Questions
Is the Eufy FamiLock S3 Max (Palm-Vein + Video) worth it?
The Eufy FamiLock S3 Max (Palm-Vein + Video) earns a 8.5/10 consensus score and is rated "Recommended". At $279.99, it is best for Buyers who want hands-free biometric entry plus a built-in video doorbell and screen. It ranks among the top picks in its category.
How much does the Eufy FamiLock S3 Max (Palm-Vein + Video) cost?
The Eufy FamiLock S3 Max (Palm-Vein + Video) is priced at $279.99. With a 8.5/10 score and a "Recommended" rating, that price represents strong value relative to the ~7.5/10 average for Security products. Prices shift often, so check the live figure before buying.
Who is the Eufy FamiLock S3 Max (Palm-Vein + Video) best for?
The Eufy FamiLock S3 Max (Palm-Vein + Video) is best for Buyers who want hands-free biometric entry plus a built-in video doorbell and screen, Anyone who prefers palm-vein privacy over a face-scanning camera at the door. Experts rate it "Recommended" with a 8.5/10 consensus.
How does the Eufy FamiLock S3 Max (Palm-Vein + Video) compare to other Security options?
Among the Security products we have aggregated, the Eufy FamiLock S3 Max (Palm-Vein + Video) ranks above average with a 8.5/10 score. See our full category comparison for head-to-head details.
What smart home systems does the Eufy FamiLock S3 Max (Palm-Vein + Video) work with?
The Eufy FamiLock S3 Max (Palm-Vein + Video) works with Google Home, Amazon Alexa, Samsung SmartThings, Matter.
Does the Eufy FamiLock S3 Max (Palm-Vein + Video) need a hub or a subscription?
No mandatory subscription — the core features work without a monthly fee.
What are the best alternatives to the Eufy FamiLock S3 Max (Palm-Vein + Video)?
If the Eufy FamiLock S3 Max (Palm-Vein + Video) ($279.99, 8.5/10) is not the right fit, the closest alternatives in Security are Lockly Visage Zeno Series Facial Recognition Deadbolt, Eufy FamiLock S3 (Palm-Vein + 2K Doorbell). Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the Eufy FamiLock S3 Max (Palm-Vein + Video)?
The main strengths of the Eufy FamiLock S3 Max (Palm-Vein + Video) are palm-vein recognition captures over 50,000 data points and unlocks in 0.6 seconds at 99.9% accuracy, a forgery-resistant biometric that works in the dark without exposing your face. and combines a deadbolt, a 150-degree 2k hdr video doorbell, and a 4-inch 1080p interior screen, so you answer the door and verify a visitor from one device.. The most-cited downside is it unlocks by palm-vein rather than face, so true face-walk-up unlock is not available and you still raise a hand to the reader.. Overall, experts rate it "Recommended" with a 8.5/10 consensus score.
Decided on the Eufy FamiLock S3 Max (Palm-Vein + Video)?
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Sources & Methodology
Consensus score based on available data. See how we build consensus scores.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you.This is a consensus review — we did not test this product ourselves. Always verify current prices and availability before purchasing.
Independence notice: Smart Home Explorer is an independent publication. eufy and other product names, logos, and brands referenced on this page are the property of their respective owners and are used for identification purposes only. This review is not sponsored by, affiliated with, or endorsed by eufy or any other manufacturer named in this article.




