ON: All of your devices will send out motion alert notifications to your mobile device.
OFF: No motion alerts will be sent to your mobile device.
You can customize these settings and create your own notification if you want some cameras to send alerts and some not to. You can do this by clicking on the settings button to the right of notifications. And then tapping on, “ Add New Mode “. After setting up a name you will then have the option to customize each device with Camera, Notifications, and the ability to turn off sharing