Your Sirène has three LED lights placed in the top around the metal ball.
Below you will find a chart, explaining what each of the different light signals means:
| LED color | Description |
| No light | Your Sirène is out of battery. Recharge it. |
| Green flashing (every 3 seconds) | Your Sirène is connected. |
| Red flashing (every 3 seconds) | Your Sirène is not connected. |
| White pulsating light | Your Sirène is activated. Vibration will also appear during the white pulsating light. |
| Red pulsating light | Will appear when you are charging your Sirène, and the battery level is low. |
| Green pulsating light | Will appear when you are charging your Sirène, and the battery level is medium. |
| Constant green light | Will appear when you are charging your Sirène, and the battery level is high. |
| Constant red light | Will appear when you active your Sirène, but it isn't possible. This can appear if you have deactivated Runners in the app. |