# Connect a USB status light

*Applies to: Pearl-2, Pearl Mini, Pearl Nexus, Pearl Nano.*

Pearl device support connection of an external USB status light to visually indicate the status of recording and streaming. You can connect a USB status light directly to a USB port on the Pearl device.
The following USB status lights are supported:
- Kuando BusyLight models: UC Alpha and UC Omega
- Delcom Products USB HID single color and multicolor signal indicators
The status light is activated as soon as it is connected to a USB port on the Pearl device and flashes once.
**Table 24 Status light indicator**
**Table 25 The default behavior of status lights is shown in the table below.**
| **Light** | **Description** |
| --- | --- |
| Solid off | The Pearl device is not currently recording or streaming. |
| Solid on | Recording or streaming is in progress. |
| Flashing | Rapid flashing (approximately five blinks per second) commences five minutes before a scheduled event begins. Slow flashing (approximately two blinks per second) indicates that an error occurred during recording or live streaming. |
 Starting in firmware version 4.23.1, for each state of Pearl, you will be able to select the color and status of light according to following table.
| **Pearl state** | **Selectable color** | **selectable light status** |
| --- | --- | --- |
| Idle | Red, green, yellow, or blue | Disable (default), solid, slow pulse, or fast pulse |
| Recording | Red (default), green, yellow, or blue | Solid (default), slow pulse, fast pulse, or disabled |
| Streaming | Red (default), green, yellow, or blue | Solid (default), slow pulse, fast pulse, or disabled |
| CMS event is about to start | Red (default), green, yellow, or blue | Solid, slow pulse (default), fast pulse, or disabled |
| CMS event is running | Red (default), green, yellow, or blue | Solid (default), slow pulse, fast pulse, or disabled |
| CMS event is paused | Red (default), green, yellow, or blue | Solid, slow pulse (default), fast pulse, or disabled |
| CMS event is about to end | Red (default), green, yellow, or blue | Solid (default), slow pulse, fast pulse, or disabled |
| Error | Red (default), green, yellow, or blue | Solid (default), slow pulse, fast pulse, or disabled |
**Select color for on-air light status**
- Log in to the Admin panel as **admin**
- From the **Configuration** menu, select USB Lights.
- Select the color and light status for each state of your Pearl

> product: cms · topic: specs-ports · source: pearl-cms-common.md · updated: Sep 28, 2026