eufy FamiLock S3 Max
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What the Pros Say
LifeHacster
eufy's first smart lock that uses palm vein unlocking technology.
Shane Starnes
This has to be the coolest smart lock I have ever tried.
This Smart House
Featuring palm vein recognition, a 2K HDR camera, AI detection.
Overview
Advanced Security for Your Family's Peace of Mind
Specs
| Features | |
| 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 |
Which Smart Lock Suits Your Home?
Which Smart Lock Suits Your Home?
FAQ
1. 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.
2. What should be noted when using the palm vein unlocking function?
3. What is the power supply method of this door lock? What happens if the battery runs out?
1. 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.
2. Does eufy FamiLock S3 Max support external integration with other smart home platforms?