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eufy Smart Lock E40

eufy / T85M0J11

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Does the eufy Smart Lock E40 work with HomeKit, Alexa, and Google Home?

The eufy Smart Lock E40 is a smart lock with face recognition entry, a 2K camera and a built-in doorbell, with Matter support.

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

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Yes[1]
Wi-Fi cloud, via integration
Google Home
Yes[1]
Wi-Fi cloud, via integration
Alexa
Yes[1]
Wi-Fi cloud, via integration
SmartThings
Yes[1]
Wi-Fi cloud, via integration
Home Assistant
Unknown
Unknown

Key facts

eufy Smart Lock E40 facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
List price$349.99[1] as of
TypeVideo lock[1]
Unlock methodsFace recognition[1]
PowerRechargeable battery, up to 6 months[1]
MatterMatter[1]
Voice and smart homeHomeKit, Google Home, Alexa, SmartThings[1]

Integration paths

How the eufy Smart Lock E40 connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Wi-Fi cloudeufy Security app, Wi-Fi network[1]unknownunknown
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.

Home Assistant and Homey

Cite this page

eufy Smart Lock E40. Smart Home Canon. https://smarthomecanon.com/devices/eufy-smart-lock-e40. Last checked 2026-10-13.

Sources

  1. [1]
    MFReufy.com / Smart Lock E40 product page, eufy US store
    Accessed Back to text