If you turned on audio alerts (Smoke/CO Alarm or All Other Audio) in Arlo Smart Notifications, you can’t turn off push notifications when creating or editing a mode for your Arlo device.
When any audio alerts are turned on, Push Notifications must be turned on to ensure that your Arlo camera sends notifications. Arlo cameras use battery power every time they record, so it’s important that you’re aware when you have an audio alert option(s) turned on.
To turn off the Push Notifications setting:
For more information, visit Why can’t I turn off the Detects Audio setting?.