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Shelly Plus Smoke

Shelly / SNSN-0031Z

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Shelly Plus Smoke, product image
Image: Shelly

Does the Shelly Plus Smoke work with HomeKit, Alexa, and Google Home?

The Shelly Plus Smoke is a battery-powered photoelectric smoke alarm with Wi-Fi and Bluetooth.

It is DIN EN 14604 certified and has a 10-year device lifespan. It suits Home Assistant users through an integration (local Wi-Fi control).

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

Key facts

Shelly Plus Smoke facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[2][3]
GenerationPlus[4]
Model codeSNSN-0031Z[5]
SensingSmoke, photoelectric[5]
Power1 CR123A battery (5 years)[5]
RadioWi-Fi, Bluetooth 4.2[5]
Matterunknown
Local APIHTTP API, MQTT and webhooks[5][6]

Integration paths

How the Shelly Plus Smoke connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Wi-Fi localNothing extra[1][5]Yes[1][5]unknown
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

Ways to add the Shelly Plus Smoke

2 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantNative (local)[1]shellyWi-Fi local
  • Quality: Platinum[1]
  • IoT class: Local Push[1]
  • Works with Home Assistant: Not certified[1]
Product line namedNone stated
HomeyOfficial app (local)[7]cloud.shelly.controlWi-Fi local
  • App: Official[7]
  • Runs on: Homey Pro[7]
Model namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Cite this page

Shelly Plus Smoke. Smart Home Canon. https://smarthomecanon.com/devices/shelly-plus-smoke. Last checked 2026-10-20.

Sources

  1. [1]
    DOChome-assistant.io / Shelly - Home Assistant
    Accessed Back to text
  2. [2]
    MFRshelly.com / Shelly Plus Smoke Alarm - Shelly Europe shop
    Accessed Back to text
  3. [3]
    MFRshelly.com / Shelly Europe shop catalog (Shopify product feed, pages 1-4)
    Accessed Back to text
  4. [4]
    MFRkb.shelly.cloud / Shelly Plus devices - Shelly Knowledge Base
    Accessed Back to text
  5. [5]
    MFRkb.shelly.cloud / Shelly Plus Smoke - Shelly Knowledge Base
    Accessed Back to text
  6. [6]
    MFRshelly-api-docs.shelly.cloud / Shelly Technical Documentation
    Accessed Back to text
  7. [7]
    DOChomey.app / Homey App Store: Shelly Control
    Accessed Back to text