Your SIRÈNE has an LED ring around the metal ball at the top.
Below you will find an explanation of what each of the different light signals means:
| LED color | Description |
| No light | Your SIRÈNE is out of battery. Please recharge it. |
| Green flashing (every 3 seconds) | Your SIRÈNE is connected.
If your SIRÈNE detects no movement for 1 hour, it will enter sleep mode, and the green blinking will stop. |
| 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 | Appears when charging your SIRÈNE, indicating the battery level is low. |
| Green pulsating light | Appears when charging your SIRÈNE, indicating the battery level is medium. |
| Constant green light | Appears when charging your SIRÈNE, indicating the battery level is high. |
| Constant red light | Appears when attempting to activate your SIRÈNE, but activation is not possible. This can occur if you have no contacts added yet in the app. |