# GE Cync Dimmer Switch (no neutral wire)

*GE Cync / CSWDMBLBWF1NN*

> 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).

- Canonical page: https://smarthomecanon.com/devices/cync-dimmer-switch-no-neutral
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [GE Cync](https://smarthomecanon.com/brands/cync) |
| Category | Switch |
| Model numbers | CSWDMBLBWF1NN |
| Status | Current[^1][^2] |
| Connection | Cync app only[^2] |
| Matter | No[^2] |
| HomeKit | unknown |
| Connectivity | Bluetooth[^2] |
| Type | Dimmer[^2] |
| Neutral wire | Not required[^2] |

## Integration paths

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

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [BLE](https://smarthomecanon.com/protocols/ble) | Cync app[^2] | unknown | unknown |

**Platform support for the GE Cync Dimmer Switch (no neutral wire)**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| BLE | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^2] |  |
| BLE | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^2] |  |
| BLE | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | Proxy-alt/cync-lan |

## Related pages

- [Cync wall switches and dimmers](https://smarthomecanon.com/lines/cync-switches-and-dimmers) (line)
- [GE Cync](https://smarthomecanon.com/brands/cync) (brand)
- [Bluetooth Low Energy](https://smarthomecanon.com/protocols/ble) (protocol)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)

## Sources

[^1]: GE Lighting: Cync smart home products. https://www.gelighting.com/smart-home (manufacturer, checked 2026-10-16)
[^2]: 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. https://www.gelighting.com/led-lights/bulbs/ge-cync-smart-dimmer-light-switch-no-neutral-wire-required-bluetooth-and-24-ghz-wi (manufacturer, checked 2026-10-16)