TO
“The FamiLock S3 keeps the palm-vein scanner and 2K doorbell of the Max but skips the interior screen, landing as the better value of eufy's two palm-vein locks.”
The Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) ($279.99) is recommended with a 8.2/10 consensus score across 4 expert reviews. Experts highlight palm-vein recognition reads over 50,000 data points and unlocks in 0.6 seconds at 99.9% accuracy, the same hard-to-spoof biometric as the s3 max for about 50 dollars less. and includes a 150-degree 2k hdr video doorbell and 16gb of local storage with no monthly fee, so you still see and record visitors.. tomsguide says: "The FamiLock S3 keeps the palm-vein scanner and 2K doorbell of the Max but skips..." Best for: Value buyers who want palm-vein entry plus a 2K doorbell without the interior screen, Households that prefer palm-vein privacy and check the camera feed on a phone.
Recommended4 Expert Reviews
Price Range
Check Price on Amazon →$279.99
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Eufy FamiLock S3 (Palm-Vein + 2K Doorbell)
Security
SHE ScoreAbove Average
SmartHomeExplorer proprietary rating
6.7/10
4 expert sources
Compatibility Breadth5/10
Setup Ease5.6/10
Reliability6.2/10
Value Rating8.2/10
Future-Proofing8.5/10
The Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) earns a SHE Score of 6.7/10, driven by strong future-proofing (8.5/10) with room to improve in compatibility breadth (5/10). Based on 4 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8.2/10 across 4 sources
Last verified:“The FamiLock S3 keeps the palm-vein scanner and 2K doorbell of the Max but skips the interior screen, landing as the better value of eufy's two palm-vein locks.”
Key Features
- ✓ Palm-vein recognition, 50,000+ data points, 0.6 seconds unlock at 99.9% accuracy
- ✓ 150-degree 2K HDR video doorbell, 16GB local storage, no monthly fee
- ✓ ANSI/BHMA Grade 1 weatherproof build
- ✓ 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
Value buyers who want palm-vein entry plus a 2K doorbell without the interior screenHouseholds that prefer palm-vein privacy and check the camera feed on a phone
What Experts Agree On
What Experts Love
- ✓ Palm-vein recognition reads over 50,000 data points and unlocks in 0.6 seconds at 99.9% accuracy, the same hard-to-spoof biometric as the S3 Max for about 50 dollars less.
- ✓ Includes a 150-degree 2K HDR video doorbell and 16GB of local storage with no monthly fee, so you still see and record visitors.
- ✓ ANSI/BHMA Grade 1 weatherproof build with Matter support across Apple Home, Google, Alexa, and SmartThings.
- ✓ Two rechargeable batteries last up to 5 months with 4 AAA backup cells, and palm data stores for up to 50 family members.
Common Criticisms
- ✗ Drops the S3 Max's 4-inch interior screen, so you check the doorbell feed on your phone instead of at the door.
- ✗ Like the S3 Max it unlocks by palm-vein, not face, so it is not a true walk-up face-recognition lock.
What The Experts Say
TE
“Eufy's palm-vein reading is fast and forgery-resistant, and on the S3 it comes bundled with a capable 2K doorbell at a friendlier price.”
Ready to buy the Eufy FamiLock S3 (Palm-Vein + 2K Doorbell)?
Check Price on Amazon$279.99 · 4 expert sources · 8.2/10 consensus
Frequently Asked Questions
Is the Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) worth it?
Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) earns a 8.2/10 consensus score across our 12 expert sources. It is rated "Recommended" — Value buyers who want palm-vein entry plus a 2K doorbell without the interior screen. At $279.99, The FamiLock S3 keeps the palm-vein scanner and 2K doorbell of the Max but skips the interior screen, landing as the bet...
Who is the Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) best for?
Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) is best for: Value buyers who want palm-vein entry plus a 2K doorbell without the interior screen, Households that prefer palm-vein privacy and check the camera feed on a phone. Experts rate it "Recommended" overall.
How does the Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) compare to other Security options?
Among the Security products we have reviewed, Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) ranks above average with a 8.2/10 score. Eufy's palm-vein reading is fast and forgery-resistant, and on the S3 it comes bundled with a capable 2K doorbell at a f...
What smart home systems does the Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) work with?
Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) works with Amazon Alexa, Samsung SmartThings, Matter. Check our compatibility notes on the product page for any setup requirements or hub dependencies.
What are the pros and cons of the Eufy FamiLock S3 (Palm-Vein + 2K Doorbell)?
The main pros of the Eufy FamiLock S3 (Palm-Vein + 2K Doorbell) are palm-vein recognition reads over 50,000 data points and unlocks in 0.6 seconds at 99.9% accuracy, the same hard-to-spoof biometric as the s3 max for about 50 dollars less. and includes a 150-degree 2k hdr video doorbell and 16gb of local storage with no monthly fee, so you still see and record visitors.. The main downside is drops the s3 max's 4-inch interior screen, so you check the doorbell feed on your phone instead of at the door.. Overall, experts rate it "Recommended" with a 8.2/10 consensus score.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 4 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.