eufy FamiLock S3 Max

Name: eufy FamiLock S3 Max
Brand: eufy

eufy / E85V0JY1

Last checked 2026-10-13

Amazon links here are plain search links and earn this site no commission. Disclosure

Does the eufy FamiLock S3 Max work with HomeKit, Alexa, and Google Home?

The eufy FamiLock S3 Max is a palm vein smart lock with a 150 degree 2K camera, a doorbell and a 4 inch display, rated BHMA Grade 1.

It works with HomeKit, Google Assistant and Alexa. It suits HomeKit, Google Home and Alexa users through an integration (the maker's cloud).

At a glance: works withHow this is decided: cited platform facts only

HomeKit

Wi-Fi cloud, via integration

Google Home

Wi-Fi cloud, via integration

Alexa

Wi-Fi cloud, via integration

SmartThings

Unknown

Home Assistant

Unknown

How facts are sourced: every cell cites its source below

eufy FamiLock S3 Max facts
Fact	Value
Status	Current[1]
List price	$399.99[1] as of October 13, 2026
Type	Palm vein video lock[1]
Unlock methods	Palm vein, app, voice, passcode, key[1]
Power	15,000 mAh battery plus 4 AAA, 5 months[1]
Matter	Matter[1]
Voice and smart home	HomeKit, Google Home, Alexa[1]

1 pathHow facts are sourced: every cell cites its source below

How the eufy FamiLock S3 Max connects
Path	Requiresi	Locali	Features lost	Platformsi
Wi-Fi cloud	eufy Security app, Wi-Fi network[1]	unknown	unknown	HomeKit: Via integration[1] Google Home: Via integration[1] Amazon Alexa: Via integration[1]

About these columns

Requires: Hardware the path needs beyond the device and a controller.
Local: Yes when control on this path keeps working with the internet down.
Platforms: The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

eufy FamiLock S3 Max. Smart Home Canon. https://smarthomecanon.com/devices/eufy-familock-s3-max. Last checked 2026-10-13.