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GE Cync Dimmer Switch (no neutral wire)

GE Cync / CSWDMBLBWF1NN

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Does the GE Cync Dimmer Switch (no neutral wire) work with HomeKit, Alexa, and Google Home?

The Cync Dimmer Switch (no neutral wire) is a dimmer switch for homes without a neutral wire.

It is a Cync app device with Alexa and Google voice control. It has no Matter support. It suits Google Home and Alexa users, with native support through Bluetooth. Home Assistant users reach it through an integration (Bluetooth).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Yes[1]
BLE, native
Alexa
Yes[1]
BLE, native
SmartThings
Unknown
Unknown
Home Assistant
Yes[2–4]
BLE, via Proxy-alt/cync-lan

Key facts

GE Cync Dimmer Switch (no neutral wire) facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1][5]
ConnectionCync app only[1]
MatterNo[1]
HomeKitunknown
ConnectivityBluetooth[1]
TypeDimmer[1]
Neutral wireNot required[1]

Integration paths

How the GE Cync Dimmer Switch (no neutral wire) connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
BLECync 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 Dimmer Switch (no neutral wire)

1 routeHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantCommunity[2–4]Proxy-alt/cync-lanBLEProduct 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.[2–4]
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

GE Cync Dimmer Switch (no neutral wire). Smart Home Canon. https://smarthomecanon.com/devices/cync-dimmer-switch-no-neutral. Last checked 2026-10-20.

Sources

  1. [1]
    MFRgelighting.com / GE Cync Smart Dimmer Light Switch, No Neutral Wire Required, Bluetooth and 2.4 GHz Wi-Fi, Works with Alexa and Google Home - GE Lighting
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  2. [2]
    DBgithub.com / GitHub: Proxy-alt/cync-lan
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  3. [3]
    DBgithub.com / cync-lan: known devices
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  4. [4]
    DBgithub.com / HACS default list: integration
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  5. [5]
    MFRgelighting.com / GE Lighting: Cync smart home products
    Accessed Back to text