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GE Cync Multi-Way On/Off Switch (Matter)

GE Cync / CSWONBLPT2, CSWONBLTT2, CSWONBLK2T1

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Does the GE Cync Multi-Way On/Off Switch (Matter) work with HomeKit, Alexa, and Google Home?

The Cync Multi-Way On/Off Switch (Matter) is an on/off switch for single-pole and multi-way circuits, sold with a paddle, toggle or button face.

It supports Matter with Alexa, Google Home and SmartThings, and also works in the Cync app. It suits Google Home, Alexa, SmartThings and Home Assistant users, with native support through Matter over Wi-Fi.

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Yes[1]
Matter / Wi-Fi, native; 1 other path
Alexa
Yes[1]
Matter / Wi-Fi, native; 1 other path
SmartThings
Yes[1]
Matter / Wi-Fi, native
Home Assistant
Yes[2–7]
Matter / Wi-Fi, native; 1 other path

Key facts

GE Cync Multi-Way On/Off Switch (Matter) facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1][8]
ConnectionMatter over Wi-Fi[1]
MatterYes[1][2]
HomeKitunknown
ConnectivityBluetooth, Matter, Wi-Fi[1]
TypeOn/off[1][9][10]
Neutral wireRequired[1][9][10]

Integration paths

How the GE Cync Multi-Way On/Off Switch (Matter) connects

2 pathsHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter / Wi-Fi2.4 GHz Wi-Fi network, Matter-compatible app[1]unknownunknown
Wi-Fi cloud2.4 GHz Wi-Fi network, Cync app[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

Ways to add the GE Cync Multi-Way On/Off Switch (Matter)

3 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantVia Matter[2–4] (Matter certified; Home Assistant does not name the model)matterMatter / Wi-FiModel namedNone stated
Home AssistantCommunity[5–7]Proxy-alt/cync-lanWi-Fi cloudProduct line namedLimited: Needs the Cync cloud hostnames redirected to Home Assistant by DNS at the router, and at least one mains-powered Wi-Fi Cync device as the Bluetooth bridge.[5–7]
HomeyVia Matter[2][3][11][12] (Matter certified; Homey does not name the model)matterMatter / Wi-FiModel 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.

Releases

  1. 2025
    1. Certified Certified, not announced [2]

      First Matter certificate.

Certifications

Certification records

2 recordsHow facts are sourced: every cell cites its source below
ProgramCertificateCertified onTransportSpec / softwareSource
MatterCSA25018MAT44906-24wi-fi, bluetooth1.03.080[2]
MatterCSA2501AMAT44908-24wi-fi, bluetooth1.03.080[3]

Cite this page

GE Cync Multi-Way On/Off Switch (Matter). Smart Home Canon. https://smarthomecanon.com/devices/cync-multi-way-on-off-switch-matter. Last checked 2026-10-20.

Sources

  1. [1]
    MFRgelighting.com / Cync Multi-Way Single Pole Paddle Smart Switch (1 switch) - GE Lighting
    Accessed Back to text
  2. [2]
    CSAon.dcl.csa-iot.org / Matter DCL compliance: GE Lighting, a Savant company, PID 119
    Accessed Back to text
  3. [3]
    CSAon.dcl.csa-iot.org / Matter DCL compliance: GE Lighting, a Savant company, PID 120
    Accessed Back to text
  4. [4]
    DOChome-assistant.io / Home Assistant: Matter integration
    Accessed Back to text
  5. [5]
    DBgithub.com / GitHub: Proxy-alt/cync-lan
    Accessed Back to text
  6. [6]
    DBgithub.com / cync-lan: known devices
    Accessed Back to text
  7. [7]
    DBgithub.com / HACS default list: integration
    Accessed Back to text
  8. [8]
    MFRgelighting.com / GE Lighting: Cync smart home products
    Accessed Back to text
  9. [9]
    MFRgelighting.com / Cync Multi-Way/ Single Pole Toggle Smart Switch (1 pack) - GE Lighting
    Accessed Back to text
  10. [10]
    MFRgelighting.com / Cync Multi-Way/Single Pole Button Smart Switch (1 pack) - GE Lighting
    Accessed Back to text
  11. [11]
    DOChomey.app / Homey Pro (lists Matter connectivity)
    Accessed Back to text
  12. [12]
    DOCsupport.homey.app / Homey Support: Matter for Homey (Add a Matter device to Homey)
    Accessed Back to text