Arlo Ultra, Pro, and Essential series cameras have an integrated siren that can be activated manually or set to activate when motion or sound is detected.
If you want the siren to trigger when motion or sound is detected, ensure that your camera’s siren is set to activate in its currently selected mode. For more information, visit What are modes and rules and how does Arlo use them?.
To manually turn the siren on or off:
For more information about Arlo sirens, visit How do I turn the Arlo base station siren on or off?.