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Ubiquiti Smoke and CO Alarm

Ubiquiti / USL-Smoke, USL-Smoke-US

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Ubiquiti UniFi Smoke and CO Alarm
Image: Ubiquiti

Does the Ubiquiti Smoke and CO Alarm work with HomeKit, Alexa, and Google Home?

The Smoke and CO Alarm detects smoke and carbon monoxide and uses SuperLink wireless. Its battery lasts up to ten years. It suits Home Assistant users, with native support through the maker's hub.

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]
Proprietary + hub, native

Key facts

Ubiquiti Smoke and CO Alarm facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[2]
List price$89[2] as of
TypeSensor[3]
ConnectionSuperLink[3]
PowerCR123A for SuperLink, up to 10 years. Sealed smoke and CO batteries, 10 years.[3]
Range2 km[3]
What it doesSmoke and CO alarm, 85 dB at 3 m[3]
US availabilitySold out[2]

Integration paths

How the Ubiquiti Smoke and CO Alarm connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Proprietary + hubHUBA SuperLink Gateway, A UniFi console running UniFi Protect[3][4]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

Ways to add the Ubiquiti Smoke and CO Alarm

2 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantNative (local)[1]unifiprotectProprietary + hub
  • Quality: Platinum[1]
  • IoT class: Local Push[1]
  • Works with Home Assistant: Not certified[1]
Product line namedLimited: Needs UniFi Protect on a UniFi OS Console (Protect 7.2.105 or later); a local user and an API key are required[1]
HomeyCommunity app[5]com.ubnt.unifiprotectProprietary + hub
  • App: Community[5]
  • Runs on: Homey Pro[5]
Product line 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

Ubiquiti Smoke and CO Alarm. Smart Home Canon. https://smarthomecanon.com/devices/unifi-smoke-and-co-alarm. Last checked 2026-10-20.

Sources

  1. [1]
    DOChome-assistant.io / UniFi Protect - Home Assistant
    Accessed Back to text
  2. [2]
    MFRstore.ui.com / UniFi US store: Smoke and CO Alarm
    Accessed Back to text
  3. [3]
    MFRtechspecs.ui.com / UniFi Tech Specs: Smoke and CO Alarm (USL-Smoke)
    Accessed Back to text
  4. [4]
    MFRhelp.ui.com / UniFi SuperLink Gateway Setup and FAQs (help.ui.com)
    Accessed Back to text
  5. [5]
    DOChomey.app / Homey App Store: Ubiquiti UniFi Protect and Access
    Accessed Back to text