# GE Cync Dimmer Switch (neutral wire required)

*GE Cync / CSWDMBLBWF1*

> The Cync Dimmer Switch (neutral wire required) is a neutral-wire dimmer switch. 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 the maker's cloud. Home Assistant users reach it through an integration (the maker's cloud).

- Canonical page: https://smarthomecanon.com/devices/cync-dimmer-switch
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [GE Cync](https://smarthomecanon.com/brands/cync) |
| Category | Switch |
| Model numbers | CSWDMBLBWF1 |
| Status | Current[^1][^2] |
| Connection | Cync app only[^2] |
| Matter | No[^2] |
| HomeKit | unknown |
| Connectivity | Bluetooth, Wi-Fi[^2] |
| Type | Dimmer[^2] |
| Neutral wire | Required[^2] |

## Integration paths

**How the GE Cync Dimmer Switch (neutral wire required) connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | 2.4 GHz Wi-Fi network, Cync app[^2] | unknown | unknown |

**Platform support for the GE Cync Dimmer Switch (neutral wire required)**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^2] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^2] |  |
| Wi-Fi cloud | [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)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (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, Neutral Wire Required, 2.4 GHz WiFi, Works with Alexa and Google Home - GE Lighting. https://www.gelighting.com/led-lights/bulbs/ge-cync-smart-dimmer-light-switch-neutral-wire-required-24-ghz-wifi-works-alexa (manufacturer, checked 2026-10-16)