eufy FamiLock S3 Max + eufy HomeBase™ S380 (HomeBase™ 3)

Palm Vein Unlocking
$549.98
Save $20.50 Extra
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  • Palm Vein Unlocking: Achieve recognition in just 0.1 seconds with secure, forgery-proof palm vein technology. Your palm vein data is stored locally on the lock, keeping your privacy entirely in your hands.
  • This all-in-one device: This smart lock features a 2K HD night-vision camera, a 150° wide-angle video doorbell, and a smart lock with real-time alerts—keeping your home secure.
  • The Rear Lock Video Screen: The Video Screen lets you easily check the front door without an app, offering a simple, intuitive design perfect for seniors and children.
  • Dual Power Supply System: With two batteries, enjoy up to 5 months of total usage, plus 4 AAA backup batteries for uninterrupted performance during power outages.
  • [Note: Camera streams are not supported via Matter due to current limitations. For full features and the best experience, please use the eufy App.] Matter is now compatible with HomeBase™ 3 for simultaneous use. This video lock is not compatible with HomeBase™ 2.

Choice
  • eufy FamiLock S3 Max
    eufy FamiLock S3 Max
    $399.99
  • eufy FamiLock S3
    eufy FamiLock S3
    $349.99
  • FamiLock S3 Max + HomeBase™ S380
    FamiLock S3 Max + HomeBase™ S380
    $549.98
  • Familock S3 + HomeBase™ S380
    Familock S3 + HomeBase™ S380
    $499.98
  • Familock S3 Max + Smart Display E10
    Familock S3 Max + Smart Display E10
    $599.98
  • Familock S3 + Smart Display E10
    Familock S3 + Smart Display E10
    $549.98
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Products Comparison

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eufy FamiLock S3 Max
$399.99
Built-In Wi-Fi: Direct Wi-Fi
Unlock Methods: Palm Vein, App, Voice Control, Password, Keys
Built-In Video Doorbell: Y
Cam Resolution: 2K HDR
Display: 4 inch Display
Battery Type: 15000mAh+4*AAA
Battery Life: 5 months
Charger Requirement: 5V/2A
Waterproof: IP65
Auto Lock: Door sensor
eufy Ecosystem Support: Doorbell&Cam&Homebase™ 3
External Ecosystem Support: Matter/Apple Home/Alexa/Google Home
ANSI/BHMA: Grade 1 (Best)
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eufy FamiLock S3
$349.99
Built-In Wi-Fi: Direct Wi-Fi
Unlock Methods: Palm Vein, App, Voice Control, Password, Keys
Built-In Video Doorbell: Y
Cam Resolution: 2K HDR
Display: N
Battery Type: 15000mAh+4*AAA
Battery Life: 5 months
Charger Requirement: 5V/2A
Waterproof: IP65
Auto Lock: Door sensor
eufy Ecosystem Support: Doorbell&Cam&Homebase™ 3
External Ecosystem Support: Matter/Apple Home/Alexa/Google Home
ANSI/BHMA: Grade 1 (Best)
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Video Smart Lock S330
$349.99
Built-In Wi-Fi: Bridge with Chime (included)
Unlock Methods: Fingerprint, App, Voice Control, Password, Keys
Built-In Video Doorbell: Y
Cam Resolution: 2K
Display: N
Battery Type: 10000mAh
Battery Life: 3 months
Charger Requirement: 5V/2A
Waterproof: IP65 (Camera only)
Auto Lock: Door sensor
eufy Ecosystem Support: Doorbell&Cam&Alarm Kit
External Ecosystem Support: Alexa/Google Home
ANSI/BHMA: Grade 3
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Video Smart Lock E330
$299.99
Built-In Wi-Fi: Direct Wi-Fi
Unlock Methods: Fingerprint
Built-In Video Doorbell: Y
Cam Resolution: 2K
Display: N
Battery Type: 10000mAh Rechargeable
Battery Life: 3 months
Charger Requirement: N
Waterproof: IP65 (Camera part)
Auto Lock: Count down
eufy Ecosystem Support: Doorbell&Cam&Alarm Kit
External Ecosystem Support: Alexa/GVA
ANSI/BHMA: Grade 3

FAQ

What kind of doors are eufy FamiLock S3 Max compatible with?

Compatible with most standard doors, door thickness:35-55 mm. Do not recommend to install on the door that has a storm door in front, which might block the view. If your latch recess is round, contact eufy Support to get a round drive-in faceplate.

Which eufy devices and systems are eufy FamiLock S3 Max compatible with?

It supports connection with Homebase™ 3 and is expected to be compatible with HB2 in Q2 of 2025. Without Homebase™, it links to other eufy cameras, letting you remotely lock/unlock via live view on any device.

Does eufy FamiLock S3 Max support external integration with other smart home platforms?

It supports the Matter protocol. Through Matter, you can work with Apple Home to integrate into the Apple ecosystem. Currently, it cannot be connected to HB3 and external ecosystem gateways simultaneously.

What should be noted when using the palm vein unlocking function?

You can store palm vein information for 50 family members. The palm vein can only be used to unlock, not to lock.

What is the power supply method of this door lock? What happens if the battery runs out?

Our door lock uses a dual power supply with lithium and standard batteries. When the lithium battery is low, standard batteries provide emergency power, allowing PIN code access to lock/unlock, while other functions are unavailable.