--- title: Cync description: Instructions on how to integrate Cync devices into Home Assistant. ha_release: '2025.10' ha_iot_class: Cloud Push ha_category: - light ha_codeowners: - '@Kinachi249' ha_domain: cync ha_integration_type: hub ha_platforms: - light ha_quality_scale: bronze ha_config_flow: true --- The **Cync** {% term integration %} is used to integrate with smart devices sold by [GE Lighting](https://www.gelighting.com/). Cync, formerly known as "C by GE", is the name given to GE Lighting's line of smart devices. ## Prerequisites - A Cync account is required to use this integration. - Any device you wish to add to Home Assistant must first be set up via the Cync app. - At least one Wi-Fi connected device is required to be set up in your Cync account. - Older, Bluetooth-only Cync devices may not be recognized by the integration without a Cync bridge device. {% include integrations/config_flow.md %} {% configuration_basic %} Email: description: Your Cync account's email address Password: description: Your Cync account's password {% endconfiguration_basic %} ## Supported functionality The **Cync** integration provides the following entities. ### Lights - Supported operations: - On/Off - Brightness* - Color temperature* - RGB color* *If supported by device. ## Known limitations - The following lighting features are not yet supported: - Dynamic effects - Light shows - Music shows - LED strip segment control - Cync servers only allow one instance of your account to connect at a time. If you open the Cync app while Home Assistant is running, the integration will briefly lose its connection. It will automatically reconnect after a 10 second waiting period. ## Removing the integration This integration follows standard integration removal. {% include integrations/remove_device_service.md %}